Welcome to Dark Sky Observing in Overgaard, Arizona.

I have several telescopes on German Equatorial Mounts (GEM) and one Dobsonian for sale, plus, many telescope making components. Additionally, a massive GEM with dual Byers drive gears, an Astrola GEM head, and an antique refractor project.

Everything is cash and carry, with pickup in Overgaard, AZ. We cannot deliver. Prices negotiable. Email for more details and availability.

SOLD - This massive GEM is a new-construction equatorial head. Professional aluminum welding, even the RA gear cover has amazing welding. The pier is custom as well. The shaft casings are 4.5", Dec shaft 1.5" and RA is 2". The Byers are Dec 7.5" and 10" on RA. The RA has been used but Dec has never been used as the Dec Byers motor leads are factory-tinned. There is no scoring on the Dec shaft from counterweights ever on it . There's $1000 in just the Byers gears..... The mount is on wheels and has leveling screws included.

Price; $500!!! SOLD

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A collectors item. 3" ~f/14 Criterion Dyna Scope bakelight tube optical tube assembly (ota) on tripod. Should be great for planetary viewing being a long focal length.

Price; $50.

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A nice 6" f/8 telescope with 1.25" focuser, finder scope, all on an electric Criterion GEM.

Price; $400.

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DobStuff 12" f/5 on a Dobsonian mount, 2" focuser with 1.25" reducer, finder scope, mirror cover and upper tube baffling. This is a great all-around telescope for planets and deep sky objects. Twelve inch aperture is sue to please..

Price; $1500.

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SOLD - An OTA with a mirror made by an Arizona legend. 8" f/4.7 Pierre Schwaar mirror. ota only, 2" focuser with 1.25" reducer.

Price; $400. SOLD

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8" f/7 telescope on Electric GEM, 2" focuser with 1.25" reducer. Finder brackets included, plus counter-weights.

Price; $500.

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Cave Astrola GEM electric drive equatorial head, and, saddle. (The Equatorial Head is sitting on concrete blocks, not a pier.)

Price; $350.

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Black anodized slip-rings, tube-rings for OTA on gem, 9 5/8" ID. These allow one to rotate the ota for a better eyepiece position than where the gem put it.

Price; $50.

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Clamps for OTA on GEM, 15 1/8" ID.

Price; $100.

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SOLD - Clamps for an OTA on GEM, 9 5/8" ID.

Price; $50.

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One SOLD - Finder scope brackets, up to 3.5" scope. There are two of them available.

Price; $25.

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Declination ring, 1" shaft, 6.25" diameter. Right Ascension ring 5/16" shaft, 6.25". Declination ring, 1.125" shaft, 6" diameter.

Price; $10 each. Sold separately.

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A telescope making set of parts; 8" mirror cell, Spider for 10" tube, Secondary holder, 1.5", Quartz secondary mirror, 1.5".

Price; $100.

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Secondary holder, and mirror, 1.25".

Price; $50.

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SOLD - S&S Optica, Digi Guide Drive Modual.

Price; $25. SOLD

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Novak mirror cell bracket, 15" tube.

Price; $25.

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Mirror cell, for a 12" mirror, 15" tube.

Price; $50.

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2x Counter-weight bars with mounting brackets. Sold separately.

Price; $25 each.

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Sliding counterweights. All sold separately.

Price; $10 each.

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T.E. Jeslerski of Chicago, IL, Antique refractor refurb project; (no lens or lens cell) brass lens cell mounting plate, steel tube, brass focuser plate, focuser drawtube rack, (no focuser pinion gear), steel mounting pin bracket, bronze mounting yoke, (no tripod legs). Cell flange is 6.25" OD, 5" ID tube, and 67" long from cell flange to eyepiece reduction end. A D&G 5" f/15 lens might work with this.

Price; $150.

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Telescope tubes, fiberglass and aluminum.

5.125" ID, masonite 55" long.

9.25" ID, fiberglass 57.5" long.

15" ID, fiberglass 45.375" long.

15" ID, aluminum 65" long.

14.75" ID, steel reinforced ends 73" long.

Price; $50 each.

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Manual GEM with saddle.

Price; $50.

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Manual gem project mount but has nice bearings on RA.

Price; $50.

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