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23 May 2017

Views: 833

Sold!
$35.00

For Sale 8" Mirror blanks and grinding kit


By: donsurles Location: Delaware

For Sale... 1) 2 ea Wilman Bell pyrex 8" pyrex mirror blanks...full thickness...approx 1.375"...$75 each...note...th...

23 May 2017

Views: 416

Sold!
$150.00

For Sale XYZ Stage


By: Steve Dodds Location: Salt Lake City

For sale a precision XYZ Stage. Micrometer adjust .5" total travel. If you are building a bath interferometer you nee...

23 May 2017

Views: 611

Sold!
$1,800.00

For Sale 16" f/3.7 Mirror


By: Steve Dodds Location: Sal;t Lake City

I have a 16" f/3.7 1.5" Fine annealed Pyrex. Focal Length 59.0" Mirror New Coating. Tested by Double pass autocollima...

21 May 2017

Views: 408

Sold!
$89.00

For Sale Celestron Nexstar 6SE Parts *NO CORRECTOR PLATE*


By: Van Huynh Location: Santa Maria, CA

*** MISSING CORRECTOR PLATE ****** FOR PARTS OR REPAIR ***Primary and secondary mirrors are in great condition. No sc...

20 May 2017

Views: 286

Sold!
$23.00

For Sale Edmund Scientific 4.25" Adjustable Mirror Cell


By: starbird Location: 95409

This is a vintage edmund scientific 4.25" adjustable aluminum mirror cell. Mirror is held in by clips and adjusted b...

20 May 2017

Views: 342

Sold!
$27.00

For Sale Edmund Scientific 4.25" Reflector Mirror Pyrex


By: starbird Location: 95409

This is a vintage edmund scientific 4.25" F10.5 newtonian mirror. Full thickness pyrex and great optics. Beautiful...

19 May 2017

Views: 354


n/a

Wanted Wanted: 4-6" Aluminized Optical Flat


By: Tucker512 Location: Tucson, AZ

Looking for a good quality optical flat in the 4-6" diameter range that is aluminized for use as an autocollimation m...

18 May 2017

Views: 392

Sold!
$66.00

For Sale GSO 1/14 wave 62.5mm minor axis secondary mirror


By: mtsaz Location: phoenix az

HI I bought this for a project and never used it. I had it tested and it came out to be 1/14 wave flat with a slightl...

17 May 2017

Views: 392

Sold!
$25.00

For Sale Assortment of Tube Clamp Rings 80mm, 90mm and larger


By: starbird Location: 95409

This is an assortment of tube clamp rings. Not all sizes complete sets. Some 80mm, some 90mm and two larger ones. P...

16 May 2017

Views: 289


$1.00

Wanted Wanted: 1.3" or smaller secondary


By: TopQ Location: Wake Forest, NC

Hello All I am looking for a small secondary mirror. It needs to be larger than 1.1 but smaller than 1.3" Thanks, Bruno

15 May 2017

Views: 849


$600.00

For Sale Planetary Newtonian Tube


By: Daniel Mounsey Location: SoCal

This is a brand new, lightweight composite optical tube. The tube measures 53" long for a long focal ratio Newtonian...

15 May 2017

Views: 302


$15.00

For Sale metal ring 90mm


By: doccap111 Location: Florida

Make your own solar filter or a cover. metal ring 90mm $15 includes shipping.

14 May 2017

Views: 339


$1.99

Wanted Mirror Cell 4.5 inch


By: ShaulaB Location: Missouri

I am looking for a 4.5 inch mirror cell for a small Dob. I did a search. Vendors out there don't seem to sell anythin...

13 May 2017

Views: 292


$1.00

Wanted WANTED tube/focuser for 80mm F15 achromat in cell


By: Mark Harry Location: western MA

I am looking for a tube, and hopefully a focuser assembly for an achromat I have. It's an 80mm F/15 achromat in a cel...

12 May 2017

Views: 235

Found!
$1.00

Wanted 10 inch mirror cell for round tube


By: BJS Location: Ohio

I need a 10 in mirror cell for a 12" tube. Prefer aluminum; number of supports is not important. ‚ÄčLet me know what...

12 May 2017

Views: 349

Sold!
$25.00

For Sale Edmund Scientific 6" Adjustable Mirror Cell


By: starbird Location: 95409

Vintage edmund 6" adjustable aluminum mirror cell. Great condition just a little rubber padding residue that will co...

12 May 2017

Views: 469

Sold!
$75.00

For Sale Edmund Scientific 6" F8 Newtonian Parabolic Mirror


By: starbird Location: 95409

This is a vintage edmund scientific 6" F8 parabolic mirror from the famous edmund space conquerer newtonian telescope...

08 May 2017

Views: 489


$0.90

For Sale FRP (Fiberglass Reinforced Plastic)


By: scstusek Location: Greensboro, NC

I have a large sheet of Fiberglass Reinforced Plastic, .09" thickness, that could be used for telescope bearings. I'l...

08 May 2017

Updated: 29 Jul 2017

Views: 484

Sold!
$2.00

For Sale 6" grinding stone


By: mikkelson12 Location: jackson

pp is ok shipping $9.00

06 May 2017

Views: 375


$1.00

Wanted Upper tube connectors


By: Stargazer Location: North America

Hi All, Does anyone have a set of 1-1/4 upper truss connectors, the ones used on the obsession telescopes that they a...

05 May 2017

Updated: 24 Aug 2018

Views: 452

Sold!
$15.00

For Sale Shroud for 10" Truss Tube Scope


By: Rocky Top Location: Heber Springs, AR

After changing my tube length I had this shroud left over. It fits over my 10" Scope with 15" diameter upper assembly...

05 May 2017

Updated: 24 Aug 2018

Views: 346

Sold!
$10.00

For Sale Moonlite Truss Tube Plugs


By: Rocky Top Location: Heber Springs, AR

I had these left over after lengthening my truss tubes. Basically free for the postage. Mailed First Class with trac...

05 May 2017

Views: 358

Sold!
$10.00

For Sale 2" Manual Rotary Focuser


By: Rocky Top Location: Heber Springs, AR

Not sure where I got this. Works great. For tubes. Screw threads are 1.5" so travel about 1.25". Minimum above tu...

03 May 2017

Views: 509

Sold!
$160.00

For Sale 8'' mirror with secondary and spider NEW


By: Thom Simcox Location: Puerto Rico, USA

Up here is a new unused 203mm (8") primary Mirror with new unused secondary mirror and spider. These are brand new un...

01 May 2017

Updated: 30 Oct 2018

Views: 865

UPDATED
$70.00

For Sale 120mm F8 Multicoated Achromat in Cell


By: bremms Location: SC

120mm F8 multicoated achromat in cell. Very good condition, the lens is near perfect, although there are one or two f...

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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