Yes, it works with equatorial platforms too. 9 degrees per second when slewing. Our mouthwash recipe above yields 5 ounces with raw ingredients that cost approximately $0. Our self-adhesive strips give you the freedom to put up and take down items whenever you wish. Donna Pursley's Newtonian/salad-bowl-mount is made from found materials, notably the peach cans that hold the mirrors. It's the new model with stell legs,it has good rigidity and it tracks fairly good,I also do some photography with my 6" newt,the mount allows to do long exposure. Options available to add Expedition Rails and additional slats to create solid platforms. Your account has been temporarily locked, so no orders can be placed at this time. Equatorial Mounts. 965" Focusers - - Two Sizes! Dark Frame Filters, 1. Equatorial mount does not need field rotator as there is no such effect, telescope trails correctly. ) and Alt/Az (Dobsonian, etc. Our products are simple, …. Greenbox Observatory (current internal picture, other pics from around 2002) Splitring mounting (my scope back then) Artificial stars/star testing lx200 and etx90. How many times have you looked at the nighttime sky, seen some amazing expanse of stars and just thought, "Hey, now that'd be a cool shot!"? From stars and nebula to comets and asteroids, then planets and galaxies, outer space is still a. Homemade GEM german equatorial telescope mount - how I made my own DIY mount for astrophotography A summary about the DIY german equatorial telescope mount I have made and used for astrophotography in my observatory. 3D printers build models in layers, which you can see if you look at a model closely. Simple motor for SkyWatcher EQ2 mount My SkyWatcher telescope came with their entry level equatorial mount , the EQ2. The Nanoleaf Screw Mount Kit (or similar secure mounting hardware) is required for mounting your Nanoleaf Light Panels to porous surfaces such as masonry or concrete. or polar) and declination (Dec). Telescope and astronomy stuff Abbreviations: SW = Sky Watcher MI = Meade Instruments CE = Celestron LO = Losmandy AP = Astro Physics AE = Astro Engineering GEM = German Equatorial Mount EP = Eyepiece NP = Nose-piece HBX = Handbox. The Arduino Mega 1280 is housed in a box on the telescope. Equatorial Fork Mounts One of the simplest equatorial mounts is the equatorial fork mount. 99 VESA Adapter for Medium Mounts fits MF110,. A later mod extended the arms to clear the focuser for use in Newt mode and it worked well. How to make a sundial. One of the most impressive things you can make on a mini-lathe is a matched worm wheel and worm gear set for a telescope mount. German Equatorial Mount AstroTrac 360 punches above its weight of just 5 kg (11 lb) in GEM configuration. OnStep is a computerized goto system for stepper motor equipped mounts. Collapsible Mounts save storage space and fit easily in your car. Please see our contact information below: CUSTOMER SUPPORT 1 (855) 915-2666 [email protected] PM builds one and speaks to John Dobson, the man behind the plans, about the joys of DIY astronomy. You solder the connectors, large resistors and large capacitors, nothing is polarity sensitive. Completed equatorial mount looks like this. 0 B/R/I magnitudes. The S-5 well was drilled in late October, in Equatorial Guinea, finding around 39 metres of net oil pay in a Santonian reservoir. To use setting circles follow these steps: 1. The cast aluminum equatorial mount was made from an old Navy gun alignment bore sight. An Astro Tracker is a device that is used to compensate rotation of the sky of stars in long-exposures. IMG_8565 by macona, on Flickr. Clove oil: Clove oil is a great oil to use in homemade mouthwash because of it’s anti-inflammatory and analgesic properties. Article in Sky & Telescope, September 1985. Equatorial tracking table. Yes, it works with equatorial platforms too. Details on building an equatorial mount reflector telescope using readily available materials. Without this, you must manually keep tweaking it! With the motor, you can point the telescope at. Put a straight bit in your router and set the depth to the thickness of the movement. Naturally as a kid I had to have one, so I told my. The Stellar Cat system is a complete electronic control package allowing the control of a telescope using either a Sky Commander or Argo Navis Digital Setting Circles as the reference. Make sure this fits by entering your model number. How to this working? See my video: https://. Equatorial mounts are built with astrophotography in mind. My budget is very limited, though I do have a blacksmith/welding shop and several lathes at my disposal. EQMOD is a popular set of software tools used by many astronomers to control the Skywatcher HEQ5, NEQ6 and other mounts directly from a PC. Our mouthwash recipe above yields 5 ounces with raw ingredients that cost approximately $0. It should be about 1/2″ thick. Equatorial mount swings across the celestial North to South and East to West. In addition, while sound bars are primarily. Second, mount the T-ring onto the DSLR body and attach the whole assembly to the telescope's focuser. WTF fan mount for XRAY T4 '18. The top surface of the mount is a block of metal with a female dovetail slot and a locking screw. el Rincon de Vicente Recommended for you. 4GHz Antenna Not Included, U. Medium Size Universal Wheeley Bars. Simple Equatorial Telescope Mount (above) The front view and side view show the Simple Equatorial Telescope Mount with its two sides spread wide in a 'V'. The eugenol component of the oil is no stranger to dentistry. Follow in their steps and take on a reclaimed wood project of your own. DIY Heavy Duty German Equatorial Mounts? - posted in ATM, Optics and DIY Forum: If I was in Virginia Id have a lathe and a mill. This is easy to observe in a common equatorial mount: the telescope actually hangs on this axis. Total cost of this scope in 1971: eighty dollars. Attaching the Equatorial Mount The Advanced VX equatorial mount allows you to tilt the telescope’s axis of rotation so that you can track the stars as they move across the sky On one side of the tripod head is a metal alignment peg for aligning the mount This side of the tripod will face north when setting up for an astronomical. Connecting a Canon to a telescope in Canon EOS Digital Cameras. SW Star Adventurer tripod£42. Completed equatorial mount looks like this. Celestron, Orion, Losmandy and Vixen are some brands that make decent low-budget mounts. There are really only a few options to get a Dob to track, the Dob Driver ($700), the Servocat ($1,600, but very nice) and an equatorial (EQ) platform. Kitchen Sinks. How to rebuild an equatorial mount for a Sears / Tasco 3" refractor If you own an older telescope and need information about it - whether it be how to fix it up, clean it, or even what might need to be done (or should be left UNdone, like cleaning mirrors or lenses) so you can sell it, I would strongly suggest posting about it in the "Classic. My budget is very limited, though I do have a blacksmith/welding shop and several lathes at my disposal. Celestron was founded in the 1960s by Tom Johnson, a father who searched for a suitable telescope for kids and eventually decided to build his own. StarPointer Red Dot Finderscope. This high quality mount includes slow-motion controls for both RA and Declination and a heavy-duty, fully height adjustable tripod (33” to 46”) with steel legs. 00 From RM 5,000. If purchased separately. The top of the table performs part of this movement: in most cases about 15 degrees or, expressed in time: about one hour. Meade LX70 German Equatorial mount. MI LX90 control panel£9. The Orion SkyView Pro Equatorial GoTo Telescope Mount is designed for the serious amateur astronomer. Total cost of this scope in 1971: eighty dollars. A standard EQ (German equatorial) will have to do a "meridian flip" when the object passes the meridian and an Alt-Az will go crazy (slew rates go way up and the whole scope does a sudden 180 rotation) if the object passes right overhead. Equatorial mounts allow you to track the sky by moving the payload around two axes. 6 to drive the mount. 3 easy payments of $233. The motor opens the door very slowly to match the sky’s rotation, for blur-free exposures of minutes or even hours. The friction-drive fork mount is ideal for mounting Newtonian telescopes. The top of the table performs part of this movement: in most cases about 15 degrees or, expressed in time: about one hour. The RA worm gear is 7" and driven by a 110V motor. It weighs in at about 75lbs without a scope or counterweights and it comes with a tripod, but setting it up and assembling it is very tedious. The instrument weight is 240 lbs (109 kg) and comes standard with a back plate. The mount rests firmly on a large, adjustable stainless steel pipe tripod with accessory tray. 316 Stainless Steel Boat Hand Rail Fitting 90 Degrees 1" Elbow Tube Mount DIY: Description: Boat hand rail fitting 90 degree elbow. A strong mount is a good mount. Free US Shipping. 2-Inch Gerrish Solar Projection Telescope with 4 photos. The RA axis is a 1/2" bolt with a large Formica bearing surface. I have seen a few for $150 to $200, but apparently the motor vibrations make for poor photographs. Steve Richards is the author of Making Every Photon Count and writes for The Sunday Times. We asked Steve Richards to write an overview of EQMOD with details on some of its many features and how to use them. Just select the "catalog", press enter and push the telescope until the SC "zeros out its reading". Always err on the side of over­mounting. I bought the mount a few years ago with an older model C14. It consists of 2 parts: The first part provides a general overview about these mounts. • Equatorial mount. The German Equatorial mount is constructed mostly of 3/4" plywood. A strong mount is a good mount. The Meade X-Wedge is mounted between a telescope and the tripod to accomplish the tilt of an equatorial type mount that matches the observer's latitude and permits precise polar alignment of your telescope. It weighs in at about 75lbs without a scope or counterweights and it comes with a tripod, but setting it up and assembling it is very tedious. That's the difference between astrophotos captured with a camera that tracks the sky's motion versus one that doesn't. These platforms are an inexpensive way to emulate what a equatorial mount does. Plancheta ecuatorial Scotch Mount, para astrofotografía mediante seguimiento en ascensión recta. The legs consist of three wooden triangles bolted to the post. The only downside is that a Dob doesn't … - Selection from Astronomy Hacks [Book]. In our thought experiment let's just expand that cylinder so it's a big, monstrous tree trunk ten feet in diameter. Mounts for Newts won't have the huge moments, but you have to contend with. Piers are often considered when looking for permanent install options within observatories because they take up very little space in regard to their footprint. Add to Cart. DIY Harmonic Drive Equatorial Mount | Hackaday. Like a standard equatorial mount, equatorial GoTo mounts can track the night sky by driving the right-ascension axis. This essential piece of gear astrophotographers use is called an equatorial mount, or perhaps more commonly known, a star tracker. After MUCH research, I found that the cheapest way for me to get basic (and automatic) sidereal tracking is to build (or buy) a motorized equatorial platform, which required absolutely no modification. Equatorial mounts tend to be massive (less portable), expensive, complicated, and have the characteristics of putting the eyepiece of Newtonian telescopes in very hard to access positions. For more detail: The DIY Arduino Telescope GOTO control project. Equatorial mounts allow you to track the sky by moving the payload around two axes. I was pleased that the equatorial head was a manageable weight. But its ease of use is astounding. Build Your Own Equatorial Mounting? Jack Kramer. MI LX90 motor fasteners£9. Buy Creality 3D Ender-3 V-slot Prusa I3 DIY 3D Printer Kit 220 x 220 x 250mm Printing Size at cheap price online, with Youtube reviews and FAQs, we generally offer free shipping to Europe, US, Latin America, Russia, etc. A manual German equatorial mount is one without "go to" capabilities provided by an on board computer and motors to drive the mount to a desired object. OnStep is a computerized goto system for stepper motor equipped mounts. It allows you to position the camera in any direction quickly and smoothly. When making your own DIY GEM mount there are a few design considerations to think about Tracking. The following instructions are generally applicable for our German equatorial mounts as of 2009. If you already own and enjoy a DSLR or mirrorless camera for daytime photography, chances are you'd like to use it for deep-sky imaging as well. It is cheap and commonly available. LUNT LS50T Ha solar scope€935. 🔴 GREAT! How to make SLIDING GUIDE for TABLE SAW ️ SLIDER⬅️ EXACT Cuts 😀 - Duration: 14:30. Celestron C4-R, C5-S, C5-SGT, C6-N, C6-R, C6-RGT, C8, C8-NGT, C8-S, C8-SGT, C8+, C8-N, C8-S, C9¼-S, C9¼-SGT, C10-N, C10-NGT, C11-SGT, C102-HD, Celestar 8, CG-4 mount, CG-5 mount, CG-9¼, CGE 800** / 925** / 1100**, Classic 8, CPC 800 GPS / 925 GPS / 1100 GPS, Fastar 8, G-8, G8-N, G-9¼, Great Polaris C8, Great Polaris mount, NexStar 8 / 8 Evolution / 8 GPS. It seems to the best of my memory that it started when I was 9 or 10 years and saw a go-cart for the first time. Focal Length: 660mm, f/6. Weight Capacity (lb. Almost every new LXD75 owner will at one time or another need to adjust the worm gear assemblies on their LXD75 German Equatorial Mount to reduce an increasing backlash in the operations of the mount as it breaks in. The ASA DDM85X Direct Drive Mount was designed to function as an equatorial mount and to be attached to a tripod or a fixed pier. Equatorial Mounting on a Manfrotto Head (02/01/00) DIY 909 (05/25/08) Mount and Level For Under $16 (04/14/02). Perhaps the greatest innovation in the Astronomy industry was the advent of the Computerized Telescope Mount, commonly referred to as a "GoTo" Mount. Shop for telescope mounting rings to hold your tubes and finder scopes in place, all available here at Agena AstroProducts. steve mcnabb Telescope. A better design is presented here and it is to make a big star disk on equatorial mount so that it will be parallel to the paper disk in the air but is mounted on the ground like a tilted round table top, with an aiming rod mounted at its center pointing to the Celestial pole. I am fitting it to my homemade equatorial mount. Corrosion resistance, tough, strong and durable in saltwater environment. Arduino Projects Diy Projects Fitness Watch Science And Nature Telescope Solar Power Building A House Recycling Outdoor Decor. This image of the Scorpius Milky Way was captured from Costa Rica with a DSLR camera and the simple hinge tracker mount described here. 661x Maximum Magnification. Equatorial Fork Mounts One of the simplest equatorial mounts is the equatorial fork mount. Dobson's mount is alt azimuth. Doesn't include AC outlets or IEC power cord. Gintautas built his own custom equatorial mount for a 10 inch Newtonian. Our mouthwash recipe above yields 5 ounces with raw ingredients that cost approximately $0. In this mode, Cartes du Ciel will track the position of the mount and will allow GoTo control. This essential piece of gear astrophotographers use is called an equatorial mount, or perhaps more commonly known, a star tracker. Pick any color you want, or, you can buy the small cutting leftovers very cheaply. Celestron LandScout 10-30x50mm Spotting Scope # 52320. Horseshoe equatorial mount for a 12. I've never used it. The tube was made from a concrete form (sonotube) and the mount was built entirely of 2-inch plumbing parts. The designs are all freely available and a community of helpful makers has sprung up around it. We have documented our build with downloadable photographs available from the link at the top of this article so you can replicate the parts, but because your choice of drive motor and power supply could differ according to circumstances and availability you may have to adapt the design a little to suit your kit. Everyone, whether interested in astronomy or not, has heard of the. A strong mount is a good mount. Since laser pointers are a perfect way to point stars, I thought a laser pointer with a GoTo mount would be a perfect tool for locating stars and to track them. 5A PST - Double Stack H-Alpha Solar Telescope. He's an interesting character who exemplifies the DIY philosophy, and that appealed to me. 3 easy payments of $233. View Accessories. I looked at a lot of them plus more on other sites and stole the ideas I liked best!. A summary about the DIY german equatorial telescope mount I have made and used for astrophotography in my observatory. Sundials are instruments that tell you the time with the shadow of the sun. Donna Pursley's Newtonian/salad-bowl-mount is made from found materials, notably the peach cans that hold the mirrors. Feb 13, 2020 - Explore garyzapotoczny's board "homemade telescope mounts" on Pinterest. The Sky-Watcher AZ-EQ6GT is an exciting evolutionary development of the hugely successful NEQ6 PRO. Corrosion resistance, tough, strong and durable in saltwater environment. Free US Shipping. Our equatorial mounts support device (patented) allows you to install the WEB230-5 antenna on any equatorial mount (with Losmandy dovetail and load capacity of at least 50 kg, ie. Sky Watcher EQ-5 I've just got my eq-5 two months ago,I use it coupled with a sky-watcher 120/1000 refractor,the ota weights about 5 kilos and with an aditional 1 kilo for balancing. Large-diaphragm replacement microphone capsules. Designed to be light weight, small in size and easy to use, the new EQT-150 Super-Compact is a stable mount for Dobsonian telescopes with base diameters of up to 26" and 150 pound weight. 6673 (M-F 8AM-3PM PST) PO Box 573 Eagle Creek, OR 97022 [email protected] Added to Gallery 2008-Dec-09. When making your own DIY GEM mount there are a few design considerations to think about Tracking. Learn how to route and add parallel compression to your mixes. Equatorial Mounting on a Manfrotto Head (02/01/00) DIY 909 (05/25/08) Mount and Level For Under $16 (04/14/02). In alt-az, I’d be freed from the need to do a close polar alignment, the usual bug-a-boo when it comes to equatorial mount setting circle accuracy. They can be used to control either a Dobsonian or an equatorial mount telescope. The clock drive will keep the mount in synchronization with any fixed objects in the sky. Mount 1 just put everything on that heavy diy plate and it s just a piece of cake german equator main view of diy telescope mount. This picture shows the RA Axis of a standard equatorial mount and the motion the axis operates in. Skywatcher NEQ6 Pro Synscan Go To Equatorial Mount. It was designed, from the beginning, as a more or less general purpose system and provisions were made in the firmware to allow for use on a variety of mounts including Equatorial (GEM, Fork, etc. No matter what you’re looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options. This heavy-duty HEQ5 Pro mount is a smaller version of the sturdy EQ6 Pro mount. Many lower cost mounts are made from castings are not nearly as precise or robust. The Orion EQ-1 equatorial mount and tripod provides solid support and control for small astronomical telescopes. While you have a huge variety of pictures to take with that restriction (as seen on the previous page) you open up a whole new set of possibilities if you have an equatorial tracking mount as seen above. Heavy duty marine grade cast solid 316 stainless steel. Etsy is the home to thousands of handmade, vintage, and one-of-a-kind products and gifts related to your search. The advantage of an equatorial mount lies in its ability to allow the instrument attached to it to stay fixed on any celestial object with diurnal motion by driving one. 25 and 2" Celestron Handbox Extension Cable for Mounts with NexStar Hand Controllers, works with Sky Portal Wifi Adapter. A later mod extended the arms to clear the focuser for use in Newt mode and it worked well. rDUINScope Boiana is an open source Go To unit. Build or Buy an Equatorial Platform The Dobsonian mount was a wonderful innovation. I find that this mount is easier to build and stronger than a split-ring equatorial. 2-Inch Gerrish Solar Projection Telescope with 4 photos. It was designed, from the beginning, as a more or less general purpose system and provisions were made in the firmware to allow for use on a variety of mounts including Equatorial (GEM, Fork, etc. com CORPORATE HEADQUARTERS 12113 K. The RA worm gear is 7" and driven by a 110V motor. Stick a pencil in the ground at about 9 a. Make sure your finderscope is aligned with the main scope and that your mount is polar-aligned. 14 The ground-board leg on the Equatorial side is outside of the pivot point. Actually, dob is simpler and cheaper to build, and is better for visual. Add to Cart. The view above shows the tracking mount and equatorial wedge on a very solid Celestron Tripod. How to rebuild an equatorial mount for a Sears / Tasco 3" refractor If you own an older telescope and need information about it - whether it be how to fix it up, clean it, or even what might need to be done (or should be left UNdone, like cleaning mirrors or lenses) so you can sell it, I would strongly suggest posting about it in the "Classic. An equatorial mount, of which the GEM is but one variety, simplifies the tracking of celestial objects. Gintautas built his own custom equatorial mount for a 10 inch Newtonian. The shake you get when hand-holding a binocular is not usually obtrusive on large objects (e. 5A PST - Double Stack H-Alpha Solar Telescope. 00 From $300. Calculate Vmag from USNO B1. Weight is 6 kg. Equatorial Mounts. The pier and mount together will be the basis of my home observatory. Equatorial Fork Mounts One of the simplest equatorial mounts is the equatorial fork mount. Over the years, Johnson perfected the process of mass-producing Schmidt-Cassegrain telescopes and Celestron exploded, quickly becoming the most popular telescope brand. Press "A little money, a little elbow grease, a lot of camera"—theverge. 3 newtonian telescope with a slow motion controls, built in metal. If the mount is aligned well this device will keep any object (nebula, planet, star or similar) on the night sky centered in your view. Omni CG-4 Telescope Mount and Tripod. Space Year - 2019’s Arduino Education thematic year: robots, satellites, simple DIY motorised equatorial mount with NEMA 17 & ARDUINO nano. A good example is the Celestron CG-4 German Equatorial Mount and Tripod. Free Equatorial Telescope Mount plans - Sometimes what you need is a quick telescope mount that you can make from readily available, inexpensive materials in one weekend. Australian Spares and Servicing Pty Ltd Trading as Anglers Central Service Centre 297-305 South Gippsland Highway Dandenong South, VIC. IMG_8565 by macona, on Flickr. These mounts provide extremely high precision tracking and have built in autoguider ports. Objects slowly and constantly move out of the view, necessitating a dash back to the eyepiece every minute or so (every few seconds if at very high magnifications!) to recenter the object, lest it. It is a practical choice if you plan on mounting your camera lenses as well. The latter will rotate the object in the focal plane, and generally have a harder time guiding the object. He used OnStep with MaxPCB, and Teensy 3. For the 300-mm telescope (using the mount described for the 250-mm) The budget starts at about $1,500 and is divided up as follows:. The point of the 'V' holds a piece of pipe that serves as the mechanical apparatus for the mount. Astronomy Store. The following guest post and videos about astrophotography tips and building a DIY star tracker was submitted by Jason Anderson from Canon Blogger. WTF fan mount for XRAY T4 '18. Our mouthwash recipe above yields 5 ounces with raw ingredients that cost approximately $0. The Orion SkyView Pro Equatorial GoTo Telescope Mount is designed for the serious amateur astronomer. The top surface of the mount is a block of metal with a female dovetail slot and a locking screw. How many times have you looked at the nighttime sky, seen some amazing expanse of stars and just thought, "Hey, now that'd be a cool shot!"? From stars and nebula to comets and asteroids, then planets and galaxies, outer space is still a. With payment plan. If the patch is not downloaded the Autostar it will show only DS and ETX models ( fork mounts ) Autostar Resources: Meade's Autostar Download Site. An Astro Tracker in Two Nights DIY. We have documented our build with downloadable photographs available from the link at the top of this article so you can replicate the parts, but because your choice of drive motor and power supply could differ according to circumstances and availability you may have to adapt the design a little to suit your kit. ) instead. In the Newtonian GEM configuration, a telescope of eight inches or larger can end up in such an awkward position that it becomes impossible to comfortably position yourself at the eyepiece. A few bags of concrete, a little rebar and a sonotube will do the job. This project is construction of a large GoTo German Equatorial Mount (GEM) for my 10" ultra light Newtonian telescope. The high amount of solar radiation throughout the year is associated with a limited seasonal fluctuation of temperature: the mean monthly variation is less than 9 °F (5 °C) at most stations. The following guest post and videos about astrophotography tips and building a DIY star tracker was submitted by Jason Anderson from Canon Blogger. The equatorial head was made of 1/2" scrap steel plate, and 2" solid cold-rolled steel shafts turning in brand-new ($20 each!) Fafnir pillow-block ball bearing assemblies. We wanted to give a telescope as a Christmas present to one kid. German "go to" equatorial mount, two separable parts body, exclusive 10Micron HPS technology with absolute axis-encoders and high performances motor drives; payload capacity of 50 Kg (110 lbs). Etsy is the home to thousands of handmade, vintage, and one-of-a-kind products and gifts related to your search. Shop best black NEJE DK-8-KZ 1000mW High Speed Mini USB Laser Engraver for sale, There are various discounts waiting for you | Tomtop. The top surface of the mount is a block of metal with a female dovetail slot and a locking screw. You can find the centre of gravity of the mount box by balancing it on its side, and the combined centre of gravity will lie between the two. Sale View options. It is specially designed for observers who need the steadiness o. Right now, [Chris] is looking into a German equatorial mount, a telescope that is able to track an individual star through. The tripod/mount is an Orion SkyView Pro German equatorial mount with a polar alignment scope and dual axis motors; focusing is done manually and then tracking is automated. Free US Shipping. Fork mounts have become very common for their versatility and ease of use. DIY Equatorial Mount Wooden Easy Woodworking Plans (👍 24/7 Access) | DIY Equatorial Mount Wooden Download Guides!!. Chapter 4: Telescope Making Basics 35 • Miscellaneous: $100 We suggest the purchase of Plössl or orthoscopic eyepieces with a 31. The clamps that held that bore. Hi, I am a retired electro-optical and controls systems design engineer having also served an apprenticeship as an optical instrument maker in the early 60's. Ideal to sit between the digital sources and your high-fidelity headphones, Arche is the perfect product to fully enjoy your music whilst benefiting from the performance delivered by the converter to drive a home hi-fi system. 3 Item(s) Show. com ; aluminum is a soft metal and easy to work. How to use equatorial in a sentence. Design a German Equatorial Mount Jeff Beish INTRODUCTION After a question from a planetary observer/telescope maker was posed to me concerning telescope mounts a reference came to mind that may interest other telescope makers. Almost every new LXD75 owner will at one time or another need to adjust the worm gear assemblies on their LXD75 German Equatorial Mount to reduce an increasing backlash in the operations of the mount as it breaks in. DIY Harmonic Drive Equatorial Mount. Primarily developed for use with TAL-100 refractors. The little brass bolt on the top end of the dovetail is to prevent the bar from accidentally sliding off the mount. Availability: In Stock. We asked Steve Richards to write an overview of EQMOD with details on some of its many features and how to use them. Solid Mounts: Side and front boards are screwed together and contain internal dowels adding stiffness. Also need to start thinking about a polar scope. Free US Shipping. BRESSER Messier EXOS 2/EQ-5 Mount Mount and Tripod. 9 reflector. In the so-called "good old days" if you built your own telescope, you generally made an equatorial mount to go with it. Astrophotography can be an incredibly rewarding and awe-inspiring photography genre to get into, but it can also requires loads of specialized equipment that is decidedly not cheap. You, too, can avoid astronomical costs by watching stars through a tricked-out cardboard tube. Mount Type: Equatorial Mounts. An equatorial mount compensates for this movement by revolving the telescope around the same axis, with the same speed in the opposite direction. The Trackball Mount. A well-made Dobsonian telescope is an excellent observing machine. It is a practical choice if you plan on mounting your camera lenses as well. Field flattener. Steve Richards is the author of Making Every Photon Count and writes for The Sunday Times. Celestron C4-R, C5-S, C5-SGT, C6-N, C6-R, C6-RGT, C8, C8-NGT, C8-S, C8-SGT, C8+, C8-N, C8-S, C9¼-S, C9¼-SGT, C10-N, C10-NGT, C11-SGT, C102-HD, Celestar 8, CG-4 mount, CG-5 mount, CG-9¼, CGE 800** / 925** / 1100**, Classic 8, CPC 800 GPS / 925 GPS / 1100 GPS, Fastar 8, G-8, G8-N, G-9¼, Great Polaris C8, Great Polaris mount, NexStar 8 / 8 Evolution / 8 GPS. 6673 (M-F 8AM-3PM PST) PO Box 573 Eagle Creek, OR 97022 [email protected] com I use CG-5 mount from Celestron for about one year. Connecting a Canon to a telescope in Canon EOS Digital Cameras. This is easy to observe in a common equatorial mount: the telescope actually hangs on this axis. Albireo or δ Cephei for a 10×50). This eliminates. Primarily developed for use with TAL-100 refractors. The cheapest GoTo mounts are altazimuth. Type of Mount Electronics: Computerized - GoTo. While you have a huge variety of pictures to take with that restriction (as seen on the previous page) you open up a whole new set of possibilities if you have an equatorial tracking mount as seen above. In order to use the camera with a flash, customers need to purchase the Konstruktor Flash Accessory Kit which includes a hot shoe adapter for use with any hot shoe flash, PC to Fritz the Blitz Flash Adapter Cable for hooking up Fritz the Blitz and a DIY Flash bracket. In fact, theoretically, alt-az circles might work even better than those on an equatorial. I did a lot of research on equatorial mounts before settling on the Skywatcher HEQ5. Motorized drives are standard on many telescopes today or can be purchased separately and installed on any type of telescope mount today - equatorial, altazimuth and even Dobsionian mounts. The simple structure of an altazimuth mount allows significant cost reductions, in spite of the additional cost associated with the more complex tracking and image-orienting mechanisms. They can be used to control either a Dobsonian or an equatorial mount telescope. It allows the ease of use of a dob, along with the tracking that is so useful at high powers. Sky-Watcher EQ6-R GoTo SyncScan Equatorial Mount #S30300 5 out of 5 stars 2 product ratings 2 product ratings - Sky-Watcher EQ6-R GoTo SyncScan Equatorial Mount #S30300. To use setting circles follow these steps: 1. Equatorial Mounts. A gear head on the tripod with altitude & azimuth adjustments can make polar alignment much easier. Plus, it is eminently compact and transportable. Attach the threaded rod segment to the last hole on the top half of the hinge using a pair of nuts and washers as shown here. The AZ-EQ6GT is a dual purpose, fully functional computerised heavy-duty Go-To/Tracking astronomical mount in both Alt-Azimuth (AZ) and Equatorial (EQ) modes. From the Manufacturer. Motorized drives are standard on many telescopes today or can be purchased separately and installed on any type of telescope mount today - equatorial, altazimuth and even Dobsionian mounts. Used ones can be obtained for less, but why buy one when you can build your own and learn something new in the process? This article will walk you through the construction of a simple, fixed-elevation equatorial wedge. So if you find that your business has outgrown your pedestal-mount, 20-inch AirEye, don’t worry. In order to use the camera with a flash, customers need to purchase the Konstruktor Flash Accessory Kit which includes a hot shoe adapter for use with any hot shoe flash, PC to Fritz the Blitz Flash Adapter Cable for hooking up Fritz the Blitz and a DIY Flash bracket. The benefits of sound bars are fairly obvious. 9 degrees per second when slewing. This simple, easy-to-build mount provides the perfect introduction to long-exposure astrophotography. This is in the same plane as the one in which the stars appear to move. Large-diaphragm replacement microphone capsules. Naturally as a kid I had to have one, so I told my father and he said let’s build it!. Free Equatorial Telescope Mount plans - Sometimes what you need is a quick telescope mount that you can make from readily available, inexpensive materials in one weekend. The mechanical side is easy for me but i am trying to figure out the electronics. 25"), Sky Watcher-compatible mounting plate. The equatorial head was made of 1/2" scrap steel plate, and 2" solid cold-rolled steel shafts turning in brand-new ($20 each!) Fafnir pillow-block ball bearing assemblies. com I use CG-5 mount from Celestron for about one year. As always, you want to make sure your mount is sturdy enough to hold your telescope. Diy Equatorial Mount - Diy Projects Mount 1 just put everything on that heavy diy plate and it s just a piece of cake german equator main view of diy telescope mount Χειροποίητες Κατασκευές Απώτερο Διάστημα Ιδέες Για Μαστορέματα Όργανα. Shop our Motorized Pan and Tilt Powerheads with remote control and joystick options. This photo shows the female dovetail found on Vixen, Synta, Celestron, EQ-5, and many similar mounts. I've never used it. An OnStep user converted an Orion SkyView Pro mount to be powered by OnStep, and is capable of doing 10. Put another pencil in the ground at the end of the shadow. It's simple, inexpensive, smooth, extremely stable, and intuitive to use. Many equatorial mounts have an option to permanently mount a small telescope inside the hole bored through the polar axis. Often small, inexpensive scopes are woefully undermounted, leading to shaky views at high power and difficulty tracking objects. Connecting a Canon to a telescope in Canon EOS Digital Cameras. 00 - and that was the cheap part), and considering the cost of a half decent Meade Ultra Wedge (close to AU$1,000), I decided to go in a different direction. The telescope itself was dusty and wet, but the mount was in a good shape, just the driver electronics for the motor were. How to Build an Equatorial Mount for Long Exposure Astrophotography: Last Fall (2011) I took full advantage of the fantastic sabatical policy where I am employed. For astrophotography, it's recommended to use equatorial mount because you can take long exposures with it. Mount 1 just put everything on that heavy diy plate and it s just a piece of cake german equator main view of diy telescope mount. There are really only a few options to get a Dob to track, the Dob Driver ($700), the Servocat ($1,600, but very nice) and an equatorial (EQ) platform. 🔴 GREAT! How to make SLIDING GUIDE for TABLE SAW ️ SLIDER⬅️ EXACT Cuts 😀 - Duration: 14:30. Unlike the computerized alt-az drive systems that began emerging about the same time, platforms offer true sidereal tracking. Equatorial mounts allow you to track the sky by moving the payload around two axes. Accept This site uses cookies to offer you a better browsing experience. Computerized "GoTo" Telescope Mounts Narrow Results. My goal is to perhaps inspire others to get out there, look up and get to know the night sky. It was designed, from the beginning, as a more or less general purpose system and provisions were made in the firmware to allow for use on a variety of mounts including Equatorial (GEM, Fork, etc. The declination is a 2 1/2" galvanized pipe with large custom pillow blocks have teflon bearings and adjustable tension. 4 Zigbee Transceiver Module 2. This is a full equatorial mount of good stability, and for a reasonable price as good astronomical telescope mounts go, but not likely the mount you get with an inexpensive telescope. The equatorial mount has two perpendicular axes, but they are called right ascension (R. 3 easy payments of $233. The positions of celestial objects are specified with celestial coordinates. Once you have aligned the parallactic mount on the Pole Star, you can easily sight on an object, position it in the field of view, and track it using the slow motion control knobs provided. Sky-Watcher SynScan mounts have been designed for use by novices and experts alike. #rDUINOScope is an Open Source, Arduino Due based Telescope Control System (GOTO). 06 or later. Telescope and astronomy stuff Abbreviations: SW = Sky Watcher MI = Meade Instruments CE = Celestron LO = Losmandy AP = Astro Physics AE = Astro Engineering GEM = German Equatorial Mount EP = Eyepiece NP = Nose-piece HBX = Handbox. The cheaper Altazimuth mounts will get you stable tracking for shorter periods of time, however the more expensive equatorial mounts are really necessary to get stable, lengthy tracking at the earths surface. Since laser pointers are a perfect way to point stars, I thought a laser pointer with a GoTo mount would be a perfect tool for locating stars and to track them. 6 to drive the mount. 5 Watt, with terminals, 220432 Encoder MR, Typ M, 512 CPT, 2 Channels, with Line Driver, 201937. The answer is the equatorial platform or equatorial table, which serves as a tracking platform for the Dobsonian telescope. Free US Shipping. Analog setting circles can be done DIY by printing out ruler scales to the proper size and pasting it over the RA and declination wheels. The motor mount has a release lever that lets me loosen the belt so I can manually adjust the tube without damaging the motor. It includes GoTo computerized pointing to over 42,900 celestial objects and can support telescopes weighing up to 20 lbs. The point of the 'V' holds a piece of pipe that serves as the mechanical apparatus for the mount. Also need to start thinking about a polar scope. Frustrating! Yet that is the position that many telescope users find themselves in. OLA5 Opto Compressor. One of the most impressive things you can make on a mini-lathe is a matched worm wheel and worm gear set for a telescope mount. 9 degrees per second when slewing. With payment plan. The Dob is simpler to buildthat's one reason why it's so popular. 99 (15% off). This is a full equatorial mount of good stability, and for a reasonable price as good astronomical telescope mounts go, but not likely the mount you get with an inexpensive telescope. Introducing the Crossbow EQT-150SC, a lightweight super-compact platform for telescopes weighing up 150 pounds. Wooden tripod with pull-out legs for telescope mount. 06 or later. Pursley notes that the bowl mount could be used as a bowl again some day. Using an innovative modular design provides the ability to migrate to different mounts while providing adjustability, durability and good looks that match your telescope. A few bags of concrete, a little rebar and a sonotube will do the job. More information. Sidewalk Astronomers, and he invented the mount as a sturdy and inexpensive alternative to the equatorial mount [4:105-107]. Check the mount head to see that it is level first. Lowell Observatory was founded in 1894 by Percival. Chapter 4: Telescope Making Basics 35 • Miscellaneous: $100 We suggest the purchase of Plössl or orthoscopic eyepieces with a 31. The five West Virginians of DIY's Barnwood Builders never met a piece of wood they wouldn't or couldn't use. DIY Equatorial Mount Before heading for vacation to an Adirondack cottage on a pond, which I knew was facing south over the pond, I put together a quick n' dirty equatorial mount to shoot star pictures. One of the most impressive things you can make on a mini-lathe is a matched worm wheel and worm gear set for a telescope mount. I thought I'd decided on a split-ring equatorial mount, but due to the length of the tube and the required size of split ring for that tube, I had. 99 iPad® 2-Puck Accessory Kit For wood, concrete and drywall surfaces VTM8 $19. Details and pricing below. The below diagram illustrates an Alt-Az mount and an equatorial fork mount (left and right, respectively). I don't want to duplicate the fine efforts of so many contributors at the Yahoo Equatorial Platforms group and elsewhere on the web, but I did want to add the details of my construction so others can use my approach as a base. Most people start out with binoculars similar in size to a 10×50 and consider ways of mounting these on a photo. It is specially designed for observers who need the steadiness o. 6 pm 5 November. This is the part of the trackball system that makes it track. Perhaps the greatest innovation in the Astronomy industry was the advent of the Computerized Telescope Mount, commonly referred to as a "GoTo" Mount. 16 Item(s) Meade LX85 German Equatorial Mount. No mail order stuff that takes two weeks to not get there. The tube was made from a concrete form (sonotube) and the mount was built entirely of 2-inch plumbing parts. 5 inch Newtonian telescope. Any exposures or stacked exposure sequences that span an hour or more will probably need an equatorial tracking mount. Equatorial definition is - of, relating to, or located at the equator or an equator; also : being in the plane of the equator. This allows the Autostar to show telescope model 4504 and 114eq Equatorial Mounts. 75 mm bar-rel diameter, and, if you like, a wide-field eyepiece. The King of mounts is the very flexible(in uses)German Equatorial Mount This thing is a beauty to behold. Sonos One™ Compatible Adapter Bracket for the SANUS Wireless Speaker Wall Mount WSWMKIT $9. Albireo or δ Cephei for a 10×50). Fortunately, if you don't have the money to purchase a $1,000+ equatorial mount but still want to take long-exposure astrophotography, the DIY barn door tracking mount above will enable you to. Camera Mount with Synta/Orion Finder Foot Camera Mount with Explore Scientific/Meade Finder Foot 1. You can find the centre of gravity of the mount box by balancing it on its side, and the combined centre of gravity will lie between the two. The AZ-EQ6GT is a dual purpose, fully functional computerised heavy-duty Go-To/Tracking astronomical mount in both Alt-Azimuth (AZ) and Equatorial (EQ) modes. Photometry around M57. The little brass bolt on the top end of the dovetail is to prevent the bar from accidentally sliding off the mount. Our most popular capsule is a K47 style, modeled after the capsule in the Neumann U47. Although an EQ platform can be built relatively inexpensively, even commercially made platforms at several hundreds of dollars are reasonable compared to the price of a. Corrosion resistance, tough, strong and durable in saltwater environment. With a properly aligned equatorial mount, the telescope need be moved in only one axis to track an object. DIY mounts for astronomy. Step by Step. [email protected] Orion Nebula, Andromeda Galaxy), but is infuriating on double stars that test the binocular (e. Wooden tripod with pull-out legs for telescope mount. The included DVD video is a complete guide for taking your mount apart, adjusting, and servicing all internal components, and putting it all back together. This is an Optic Craft or very similar mount. Putting in a Telescope Pier After upgrading to a Celestron CGE Pro mount, I immediately decided that it needed to be installed on a telescope pier. Diy Equatorial Mount. Spur Gearhead GS 38 A 38 mm, 0. It seems to the best of my memory that it started when I was 9 or 10 years and saw a go-cart for the first time. Plancheta ecuatorial Scotch Mount, para astrofotografía mediante seguimiento en ascensión recta. This is the 8 outlet 120v - 240v 10 Amp AC power bar board, it comes with all the surface mount components mounted and gets powered on my bench. Free Vixen equatorial mount SX2 Equatorial 25071-4. In addition, while sound bars are primarily. Follow in their steps and take on a reclaimed wood project of your own. The equatorial platform is merely a section of a cone whose axis is…. Many equatorial mounts have an option to permanently mount a small telescope inside the hole bored through the polar axis. Frustrated with the high cost of a proprietary Go To, the author developed a free, open source, DIY option, rDUINOScope Boiana. Details on building an equatorial mount reflector telescope using readily available materials. With the right field flattener adapter,. The cheapest GoTo mounts are altazimuth. Welcome to Optic-Craft Machining Sturdy German Equatorial Telescope Mounts | Precision Telescope Worm and Gear Clock Drives O ptic-Craft Machining was founded in order to aid the amateur astronomer in constructing telescopes at a minimal cost without sacrificing important features and quality workmanship. Put a straight bit in your router and set the depth to the thickness of the movement. Making an Equatorial Platform Your Dob isn't really complete until you've made an equatorial platform to go with it. Used telescopes and telescope accessories can be a great option when working with a tight budget. The Sky Commander has an extensive 16,000 object data base including NGC, Messier, UGC, IC, planets and 200 programmable objects. Our Customer Support team is available by phone from 8am to 4pm, Pacific Time, Monday-Friday, and e-mails are typically replied to within one business day. Step by Step. Barn Door Mount * Observing Stool * Cheap and Simple Red Dot Finder Mount PST Eyepiece Shield * Eyepiece Case * Key Reel Red Light Keeper Kid Peek II * Observation Log and Sketching Forms * Telrad Dew Shield Telescope Mounted Green Laser * Observer's Eyepiece Bag Vintage Telescope Restoration Towa 339 "Katana" * DIY SCT and Mak Cooler. Mount the motor on the hinge and fit it with the small gear. And I'm sure they are good items, but they typically cost around £75 each. The eugenol component of the oil is no stranger to dentistry. The top of the table performs part of this movement: in most cases about 15 degrees or, expressed in time: about one hour. It consists of 2 parts: The first part provides a general overview about these mounts. Computerized "GoTo" Telescope Mounts Narrow Results. Learn how to use and connect your Hairball Audio microphone preamplifier to your interface. The Dob is simpler to buildthat's one reason why it's so popular. DIY Harmonic Drive Equatorial Mount | Hackaday. Back to the GEM mounts, recommending a mount under a budget is tricky, because good mounts really start at $4,000. 99 (15% off). Complete with computer, 10,000 step encoders, custom made cables and truss telescope mounting hardware. It features unmatched stability and smoothness of motion. An Astro Tracker is a device that is used to compensate rotation of the sky of stars in long-exposures. com I use CG-5 mount from Celestron for about one year. Celestron C4-R, C5-S, C5-SGT, C6-N, C6-R, C6-RGT, C8, C8-NGT, C8-S, C8-SGT, C8+, C8-N, C8-S, C9¼-S, C9¼-SGT, C10-N, C10-NGT, C11-SGT, C102-HD, Celestar 8, CG-4 mount, CG-5 mount, CG-9¼, CGE 800** / 925** / 1100**, Classic 8, CPC 800 GPS / 925 GPS / 1100 GPS, Fastar 8, G-8, G8-N, G-9¼, Great Polaris C8, Great Polaris mount, NexStar 8 / 8 Evolution / 8 GPS. Mount Motors. If purchased separately. 3D printers build models in layers, which you can see if you look at a model closely. A place to find and share information related to Astrophotography. Route out the wood inside the traced shape. Also need to start thinking about a polar scope. For those interested in prime-focus astrophotography, a computerized equatorial telescope mount is essential. com CORPORATE HEADQUARTERS 12113 K. This is my step by step guide to making a matched telescope worm gear and wheel set. Naturally as a kid I had to have one, so I told my father and he said let’s build it!. I set the mount up per the instructions--which was very easy. The ASA DDM85X Direct Drive Mount was designed to function as an equatorial mount and to be attached to a tripod or a fixed pier. Equatorial mounts are built with astrophotography in mind. This has ball bearings and is overkill. You mount your camera on the "door," then aim the hinge straight at the North Star, Polaris. Design a German Equatorial Mount Jeff Beish INTRODUCTION After a question from a planetary observer/telescope maker was posed to me concerning telescope mounts a reference came to mind that may interest other telescope makers. Avalon Linear, German Equatorial Mount, Fast-Reverse technology, StarGO Bluethooth Goto [AV-LIN0STGO] $5,460. After the first few observing sessions I noted that the metal pier was a bit low, and I didn't have an observing chair that allowed sit-down observing. The answer is the equatorial platform or equatorial table, which serves as a tracking platform for the Dobsonian telescope. 25"), Sky Watcher-compatible mounting plate. Space Year - 2019’s Arduino Education thematic year: robots, satellites, simple DIY motorised equatorial mount with NEMA 17 & ARDUINO nano. There is a relatively simple method to realize an equatorial mount for Dobsonians, particularly if you are interested in visual use only. Ours is made of hoops, but they are open (like an equatorial bow sundial) so they don’t cast shadows that would interfere with reading the time. We asked Steve Richards to write an overview of EQMOD with details on some of its many features and how to use them. The best telescopes you can buy Here are the best telescopes for stargazers and space geeks, no matter what your budget is By Dallon Adams January 21, 2017 As anyone who has ever peered through a. For the next 3 years, I will have access to my university's machine shop, which includes mills, lathes, CNC mills and lathes, and your standard machine shop stuff. Actually, dob is simpler and cheaper to build, and is better for visual. This communication protocol applies to SynScan hand control with SynScan™ V3 firmware version 3. Back to the GEM mounts, recommending a mount under a budget is tricky, because good mounts really start at $4,000. - Lower right ascension axis is a live center from a woodworking lathe. Or a friend with really big biceps! Make sure to wear safety goggles =). Attaching the Equatorial Mount The Advanced VX equatorial mount allows you to tilt the telescope’s axis of rotation so that you can track the stars as they move across the sky On one side of the tripod head is a metal alignment peg for aligning the mount This side of the tripod will face north when setting up for an astronomical. Meade LX70 German Equatorial mount. 75 mm bar-rel diameter, and, if you like, a wide-field eyepiece. 5 Corrected Dall-Kirkham Astrograph telescope has a dual truss design, with 3 cooling fans for the back of the primary mirror and 4 fans for the front surface of the primary mirror. Albireo or δ Cephei for a 10×50). company based in Exton, PA. The pictures above are from the Losmandy supplied Serial Port cable GCC GEM 2 with the RS232 end taken apart to show how it was made. 5A PST - Double Stack H-Alpha Solar Telescope. Make sure your finderscope is aligned with the main scope and that your mount is polar-aligned. Includes:. An equatorial mount compensates for this movement by revolving the telescope around the same axis, with the same speed in the opposite direction. el Rincon de Vicente Recommended for you. As if I didn't have enough projects going on all at once I have started yet another, an equatorial mount for my telescope. This eliminates. Mount an etx90 on an etx60/70 base. #rDUINOScope is an Open Source, Arduino Due based Telescope Control System (GOTO). An equatorial mount, of which the GEM is but one variety, simplifies the tracking of celestial objects. 0 Inch Aperture (280mm) StarBright XLT coatings. We asked Steve Richards to write an overview of EQMOD with details on some of its many features and how to use them. This is my step by step guide to making a matched telescope worm gear and wheel set. It's as simple as that. After the first few observing sessions I noted that the metal pier was a bit low, and I didn't have an observing chair that allowed sit-down observing. He’s an interesting character who exemplifies the DIY philosophy, and that appealed to me. Put a straight bit in your router and set the depth to the thickness of the movement. 75 mm bar-rel diameter, and, if you like, a wide-field eyepiece. It consists of 2 parts: The first part provides a general overview about these mounts. Dew Controller Feature Rich. This is a full equatorial mount of good stability, and for a reasonable price as good astronomical telescope mounts go, but not likely the mount you get with an inexpensive telescope. Equatorial mount synonyms, Equatorial mount pronunciation, Equatorial mount translation, English dictionary definition of Equatorial mount. Just take all the defaults and get to a point where you can select "PC Direct Mode". 4GHz Antenna Not Included, U. An introduction to my telescope mount. One of the most impressive things you can make on a mini-lathe is a matched worm wheel and worm gear set for a telescope mount. Simple Equatorial Telescope Mount (above) The front view and side view show the Simple Equatorial Telescope Mount with its two sides spread wide in a 'V'. Artists, photographers, framing shops, and even do-it-yourselfers turn to Logan mat cutters, framing tools, and Foamwerks tools everyday, for their art and picture framing needs. Also need to start thinking about a polar scope. Page 1 of 2 - DIY Heavy Duty Equatorial Mount - posted in ATM, Optics and DIY Forum: Ive been thinking through a million different ways of making a heavy duty equatorial mount. Buy Creality 3D Ender-3 V-slot Prusa I3 DIY 3D Printer Kit 220 x 220 x 250mm Printing Size at cheap price online, with Youtube reviews and FAQs, we generally offer free shipping to Europe, US, Latin America, Russia, etc. It's always been a dream of mine to build my own equatorial mount. The mount at this early stage did not have long enough arms for me to reach the pole area because the focuser was a long rack and pinion jobby and it fouled on the crotch of the fork. That's how traditional German Equatorial Mounts work: the polar axis down inside the mount housing is our cylinder. Any exposures or stacked exposure sequences that span an hour or more will probably need an equatorial tracking mount. My wife and I spent a good portion of this time driving around the beautiful American Southwest and the many awesome parks on and around the Colorado Pl. - Lower right ascension axis is a live center from a woodworking lathe. This stems from trying to set up my 10" Meade LX200 for astrophotography. A Klipsch Home Theater system is the only real way to experience Bohemian Rhapsody, the cinematic celebration of the band Queen and its charismatic lead singer Freddie Mercury. With this device, once properly aligned with the mount, I can simply place the red dot in the appropriate position and I am polar aligned. That's the difference between astrophotos captured with a camera that tracks the sky's motion versus one that doesn't. This essential piece of gear astrophotographers use is called an equatorial mount, or perhaps more commonly known, a star tracker. As if I didn't have enough projects going on all at once I have started yet another, an equatorial mount for my telescope. It is also important for the use of setting circles on non-GoTo mounts.