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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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22 Feb 2018

Updated: 12 May 2018

Views: 592

UPDATED
$325.00

For Sale 10" BK7 Schott Blank. PK/A (250mm x 35mm)


By: ccaissie Location: 04353

In wrapper, I expect the melt data is on the certs inside. Sold its sister blank years ago, unwrapped, a beautiful p...

22 Feb 2018

Views: 234


$1.00

Wanted Polar scope with red illuminator for Super Polaris Mount...


By: dragonstar4565 Location: San Jose, CA

Hello, I am looking for one of these polar scopes in good, to excellent condition. The plastic part on mine is kind o...

21 Feb 2018

Views: 258

Sold!
$25.00

For Sale 114mm Mirror, Cell, Diagonal, Spider, Focuser, Finder


By: Stan Lopata Location: 13323

114mm Mirror, Cell, Diagonal, Spider, Focuser, Finder - this is from a Meade 114mm f8 telescope. In good, but not pe...

20 Feb 2018

Views: 302


n/a

Wanted Foucault Tester


By: Aquarius Of The Night Location: Albemarle NC

Looking for a Foucault tester at a reasonable price. Doesn't need Ronchi gratings.

20 Feb 2018

Updated: 24 Feb 2018

Views: 690

Sold!
$150.00

For Sale 6" Littrow Lens Set, Unfinished, UPDATED


By: ccaissie Location: 04353

6" Littrow set Crown element R1=R2 finished, polished. Flint element R3 is semipolished, R4 (flat) is fine Ground. u...

20 Feb 2018

Views: 228


$1.00

Wanted Telescope Tube 13.5 ID or Larger maybe cell too.


By: Al Paslow Location: Western PA

Hey all, 'Got some projects looming... Before I order a couple tubes I would like to know if anyone has an aluminiu...

19 Feb 2018

Views: 214


$1.00

Wanted 7" or 7.5" ID Carbon Fiber Tube


By: hyunkookcho Location: Korea(South)

Looking for a 7" or 7.5" ID Carbon fiber tube, 36" Long.

19 Feb 2018

Views: 329

Sold!
$5.00

For Sale 1" Round Flat - Space Qualified!


By: Tcasey58 Location: Edgewater, MD

Well with retirement looming I am parting with some trinkets in preparation for downsizing our home (yes the boss is...

19 Feb 2018

Updated: 25 Jun 2018

Views: 636

Sold!
$55.00

For Sale 10" Plate Mirror Blanks, f/5, f/6, tiles, grit. REDUCED


By: ccaissie Location: 04353

Pieces are labelled in the pics.Plate glass, 10" x .85" plano-f/6, $60Plate glass, 10" x .78" plano-f/​5, $55Pyrex pi...

18 Feb 2018

Updated: 18 Feb 2018

Views: 294

Sold!
$100.00

For Sale Sidereal Technology servo motor


By: Matt7101cars Location: York Pa

I have for sale a new Pittman 19V servo motor with encoder 10:1 redution gear box and adapter board these sell for $1...

18 Feb 2018

Updated: 19 Feb 2018

Views: 249

Sold!
$60.00

For Sale 4.25" Refractor Lens set


By: ccaissie Location: 04353

BK7, F2 blanks, flat ground on 3 faces, BK7 element looks like ~90" radius Buyer pays shipping, Paypal preferred

18 Feb 2018

Views: 359

Sold!
$150.00

For Sale 6" f/15 Refractor Lens Set Unfinished


By: ccaissie Location: 04353

Generated radius set for f/15 Fraunhofer objective 6.25" diameter. Generated and ground surfaces...no tooling My mea...

18 Feb 2018

Views: 220

Sold!
$65.00

For Sale 8" Full Thickness Pyrex Blank


By: ccaissie Location: 04353

UL-23 Molded edge back is perfect. Face with manufacturer's coarse chamfer has a small fracture, visible in pic. B...

18 Feb 2018

Views: 333


n/a

Wanted 7 inch secondary


By: kfrederick Location: Pa USA

I am looking for a 7 inch secondary mirror

17 Feb 2018

Views: 317


$20.00

For Sale Cave Mount Parts


By: jrb Location: Thousand Oaks, CA

1” and 1.5” Cave Dec shafts 25” long 3/8” x 16 TPI threaded hole on one end Left over from restoration projects.

16 Feb 2018

Updated: 26 Aug 2020

Views: 812

UPDATED
$289.00

For Sale GSO 10" f/5 Primary Mirror with 2.5" Secondary


By: jdburr66 Location: Evergreen, CO, USA

GSO 10" f/5 Primary Mirror with 62mm (2.5") Secondary Mirror.250mm aperture, 1250mm focal length, f/5, 35mm thickness...

16 Feb 2018

Updated: 18 Feb 2018

Views: 357

Sold!
$75.00

For Sale 8" f/5.3 Full Thickness Pyrex Mirror or Blank


By: ccaissie Location: 04353

Foucault/Ronchi shows small TDE. Polish looks complete, but does not pass laser test. Make a pitch lap and finish it...

16 Feb 2018

Views: 394

Sold!
$200.00

For Sale Complete 10 inch Optics set In Exc Conditon


By: ruachsheavens Location: 60050

Complete Optics set from an Orion 10" DOB - includes Primary mirror, mirror cell, secondary mirror and holder, 4 vane...

16 Feb 2018

Views: 209


$1.00

Wanted Primary Cell for 9" ID sonotube


By: airbleeder Location: Powder Springs, GA

I am looking for an aluminum primary cell for an 8" reflector to fit 9" ID Meade sonotube.

15 Feb 2018

Updated: 24 Apr 2018

Views: 339

UPDATED
$35.00

For Sale Celestron CGEM Mount Platform


By: jrb Location: Thousand Oaks, CA

CGEM mount platform Accepts Losmandy style dove plates Excellent condition Shipping via USPS Priority Mail included

15 Feb 2018

Views: 195

Sold!
$40.00

For Sale Edmund Scientific 2.14" Secondary Mirror - LNIB


By: Augustus Location: Connecticut

This is an interesting find. Found in an ATM shop, like new in the original Edmund shipping box (not shown). The "dus...

15 Feb 2018

Views: 272

Sold!
$50.00

For Sale 2.1" Diagonal from Meade C14


By: ccaissie Location: 04353

Excellent condition, still in diagonal housing. Measures 2.1" x .44" thick. Diagonal mounted on 3 point adjusting...

13 Feb 2018

Views: 225


n/a

Wanted 12.5" Mirror Cell


By: CalAstro Location: Comanche, OK

Looking for a 12.5 inch mirror cell, University Optics or similar, in good working condition.

13 Feb 2018

Views: 284


$13.00

For Sale Bushnell 700mm x 60mm Achromat Lens


By: MASILMW Location: US

Bushnell 700mm x 60mm Achromat Lens Also, comes with Cell, Lens Shade and Lens cover. The plastic cell fits over the...

11 Feb 2018

Updated: 18 Feb 2018

Views: 545

UPDATED
$95.00

For Sale 8 INCH TELESCOPE MIRROR BK7 OPTICAL BLANK


By: madeline wiest Location: Pleasanton, CA

8 Inch Telescope Mirror BK7 optical blank. 1.25 inch thick. Purchased from government surplus, have approximately 20.

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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