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Yesterday, 12:21 PM

Views: 153


$3,500.00

For Sale 16" Pegasus Mirror, Aurora Precision Mirror Cell, Secondary, parts


By: David Martin Location: Portland, Oregon

I can deliver if you're relatively local to me. Ideally I'd like to sell this as a lot, but I'm wiling to part it out...

Yesterday, 12:11 PM

Views: 57


$65.00

For Sale 1.52" Secondary in Novak Holder


By: Augustus Location: Connecticut

Great shape, very good quality. I think the secondary is an AstroSystems but I'm not sure; regardless it is good old...

Yesterday, 09:33 AM

Views: 234


$35.00

For Sale Telescope components


By: johnlynch Location: Delaplane, Virginia

I'm selling the following items:Housing for a vintage Chester Brandon 4mm ocular that I purchasedfrom Don Yeier sever...

21 Sep 2020

Views: 303

Sold!
$385.00

For Sale Jaegers 6" F/15 Lens w/ Light Bluish Coating In Metal Cell


By: Van Huynh Location: Santa Maria, CA

One of the external surfaces has about 7 pin-hole-size nicks in the glass and a couple of lint-size sleeks in the coa...

21 Sep 2020

Views: 124

Offer Pending
$20.00

For Sale 8" Plate Glass Disc Polished Flat Both Sides $20


By: J A VOLK Location: Flagstaff, AZ

Last of the 8" glass from 1970's advanced ATM shop. 8" Plate Glass Disc, polished flat Both Sides, 1.2" thick. I ha...

21 Sep 2020

Views: 46


$1.00

Wanted WTB 50mm equallateral prism


By: texcoco Location: USA

Looking for an λ/4 (or thereabouts) 50mm equallateral prism for use with moderate magnification. (For building an Fre...

21 Sep 2020

Updated: 21 Sep 2020

Views: 79

Sold!
$120.00

For Sale 4-Inch Minor Axis Secondary/AstroSystems Holder


By: dougm Location: 19122

Offering up my 4-inch minor Axis secondary mirror housed in the AstroSystems holder I got for it. Got this a few year...

21 Sep 2020

Views: 37


n/a

Wanted Wanted A Pair of Fork Arm for C-14


By: hyunkookcho Location: Korea(South)

I am looking for a fair of fork arm for C-14. Cast Aluminum (old style). Without hub. Tangent arm prefered. Hyunkook...

20 Sep 2020

Views: 274

Sold!
$600.00

For Sale 28" BK7 mirror blank


By: wofford Location: Twin Falls, Idaho

I recently acquired this hoping that once my shoulders healed up I could start grinding it, but it's become obvious t...

20 Sep 2020

Views: 184

Sold!
$375.00

For Sale 12.5" DPAC Autocollimation Flat


By: Steve Dodds Location: Salt Lake City

For sale a full thickness Pyrex 12.5" Coated Autocollimation flat. Central hole is a little small (1") so you will h...

20 Sep 2020

Views: 80

Sold!
$25.00

For Sale Virgin Teflon Pad Set 4 - New, Unused


By: Tom Duncan Location: Chico, CA 95926

New old stock "Virgin Teflon Pad Set/4" DOB bearing pads with brass screws. 3/4" x 2" x 1/4". Holes drilled and count...

20 Sep 2020

Updated: 20 Sep 2020

Views: 111

Sold!
$75.00

For Sale Two 8" Pyrex Blanks - $75 Shipped - See Details


By: J A VOLK Location: Flagstaff, AZ

1) This 1.36" thick Pyrex disc was used as a tiled tool for an 8" SCT ATM project. One side is fine ground flat, that...

20 Sep 2020

Views: 84


$30.00

For Sale NEW Carton 4" Telescope Mirrors


By: MASILMW Location: US

NEW Carton 4" Telescope Mirrors 4" f/10 Spherical Made in Japan by Carton Optical Co. From a recent purchaser btw - T...

18 Sep 2020

Updated: 18 Sep 2020

Views: 146

UPDATED
n/a

Wanted secondary refigure


By: greenglass Location: ontario canada

would anyone fix my 2.25" newtonian secondary? It's pyrex. I messed it up in 2009 polishing off the tarnished silver...

18 Sep 2020

Updated: 19 Sep 2020

Views: 101

Sold!
$25.00

For Sale Novak Spider for 6 3/4"-6 15/16" ID Tube


By: stgetI Location: NJ

I have a Novak Research Quaility Spider for a 6 3/4"-6 15/16" ID tube (7" max OD). Asking $25 shipped CONUS. No Payp...

17 Sep 2020

Views: 101


$40.00

For Sale 4" f/11.27 Primary Mirror


By: MASILMW Location: US

4" f/11.27 Primary Mirror The focal length is 1150mm. The mirror is made of Pyrex. and is probably spherical but, tha...

17 Sep 2020

Views: 79


$28.00

For Sale 70mm Air-Spaced Achromat in Metal Cell


By: MASILMW Location: US

70mm Air-Spaced Achromat in Metal Cell The focal length is 315mm f/4.5. Made by Carton Optical in Japan. The lenses a...

14 Sep 2020

Views: 65


$1.00

Wanted Tasco 7TE Objective Cell


By: Uncle Milt Location: Live Oak, FL

I am trying to find a more or less complete objective cell from a Tasco 7TE 60 x 900 mm refractor. I do not need the...

14 Sep 2020

Views: 72

Found!
$1.00

Wanted Wanted 12in mirror budget build


By: lonn Location: 96007

Looking for a good 12in+ mirror. Looking for something good and usable with out recoating, As good as GSO?

14 Sep 2020

Views: 131

Sold!
$60.00

For Sale Discovery DOB Bearing Set For 9"-11" OD Tube - New


By: Tom Duncan Location: Chico, CA 96926

Unused set of new old stock Discovery brand DOB altitude bearings on slotted plate (for balance adjustment) with scre...

14 Sep 2020

Views: 123

Sold!
$75.00

For Sale 8" Pyrex Disc Polished Flat Both Sides $75 Shipped


By: J A VOLK Location: Flagstaff, AZ

Pyrex blank, 1.3" thick. It is polished flat on both sides, no idea how flat, came from a 70's ATM workshop. It has...

14 Sep 2020

Views: 102


$80.00

Wanted 6" f/8 optics


By: Augustus Location: Connecticut

Looking for 6" f/8 primary mirrors and 1.3" or 1.52" secondary mirrors for a class I'm doing at a local STEM space. A...

12 Sep 2020

Views: 132

Sold!
$35.00

For Sale AstroSystem 2.6 inch Secondary Holder


By: gdjsky01 Location: CALIFORNIA

I believe this to be a 2.6 inch minor axis holder. Measuring the minor axis, I get 2.5 inches. But there is a lip or...

11 Sep 2020

Views: 159


$20.00

For Sale Gilbert Solar Projection Screen Device


By: starbird Location: 95409

This is a vintage 1960 Gilbert oner the eyepiece solar projection screen. These came with Gilbert 2.5" reflector tel...

11 Sep 2020

Views: 145

Sold!
$45.00

For Sale 8" Pyrex Blank Pecision Optical $45


By: J A VOLK Location: Flagstaff, AZ

Old School Precision Optical 7740 Pyrex blank, 1.36" thick, fine ground flat. Small edge sliver within bevel. Add $...

CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.


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