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09 Oct 2017

Updated: 18 Oct 2017

Views: 646

Sold!
$75.00

For Sale Kenneth Novak cast aluminum 6-inch mirror cell SOLD


By: johnlynch Location: Leesburg, Virginia

I'm selling a NEW cast aluminum mirror cell for a 6-inch mirror manufactured by Kenneth Novak & Company of Ladysm...

23 Sep 2019

Views: 95

Found!
$75.00

Wanted 2.8" Or Larger Secondary Mirror and/or Holder


By: Augustus Location: Connecticut

Need one and soon for my 10" f/3.2. Coating doesn't have to be perfect. Thanks!

15 Jan 2020

Views: 187

Sold!
$80.00

For Sale Declination Shaft Manual Control with Clutch


By: bob hammond Location: Newtown, CT

This was used on my dad's homemade mount for his 6" refractor. This is made for a 1.25" declination shaft. The 6" dia...

27 Feb 2018

Views: 239

Sold!
$30.00

For Sale 6" Mirror Cell, Complete


By: ccaissie Location: 04353

Used, Heavy duty cell with clips. Can support mirror at 3 radial points to suit your calcs. Fits 7" i.d. tube. Buy...

07 May 2018

Updated: 07 May 2018

Views: 574

Sold!
$125.00

For Sale 10" Orion Mirror Set


By: CrashCrevey Location: Houston, TX

I bought these several years ago from a local telescope shop. The secondary mirror had separated from the holder duri...

17 May 2020

Views: 81

Found!
$1.00

Wanted 6 Inch F/4 to F/5 Mirror or OTA


By: smith1414 Location: CT

I am looking for an inexpensive pandemic project and am wondering if anyone has a 6 inch F/4 to F/5 mirror they would...

18 Jul 2018

Updated: 28 Jul 2018

Views: 417

UPDATED
$35.00

For Sale Telescopics Hexagonal Pitch Lap Mat for 8" Mirror (SOLD)


By: johnlynch Location: Leesburg, Virginia

I'm selling a Telescopics hexagonal pitch lap mat for an 8-inch mirror that I purchased in the early 1990s (before th...

31 May 2020

Views: 113


$10.00

Wanted Want 50/500 achromat


By: WahHK Location: Hong Kong / US

Want a D=50mm F=500mm achromat

18 Nov 2018

Views: 1633


$50,000.00

For Sale 75" Low Expansion Telescope Blank Corning Glassworks


By: gatorengineer Location: Pittsburgh PA Area

Not a typo. Over 2 yards of fun for someone. Kev and I have to settle for 71" the hard way. This one is not going...

28 Aug 2020

Views: 105

Sold!
$125.00

For Sale Parallax Rings for a 7" OD Tube


By: stgetI Location: NJ

For sale are Parallax Rings for a 7" OD tube (@ 178mm). Some paint worn off but the rings are solid. Asking $125 sh...

24 Dec 2018

Views: 928

Sold!
$850.00

For Sale 16" f/4.5 Refigured Meade Mirror - Excellent


By: Chuck T Location: Williamsburg, VA

I am selling my 16" f/4.5 Meade mirror that was refigured by Jerry Wilkinson of Galaxy Optics. I bought the mirror fo...

12 Jan 2019

Views: 477

Sold!
$700.00

For Sale REDUCED: Full thickness 16"F6 mirror and diagonal


By: bob midiri Location: se pa 19320

UPDATE 052018. Tested mirror with Foucault tester and Couder Mask see pictures, the surface is quite smooth and the e...

20 Apr 2019

Updated: 22 Apr 2019

Views: 272

Sold!
$185.00

For Sale 17 x 0.77" Plate Blank - Generated to your spec


By: mark cowan Location: Salem, OR

This is a 17-1/8 x 0.77" plate blank, good anneal. I'm going to generate it to around f/4 (68" FL) shortly but if you...

16 Nov 2017

Views: 539

Sold!
$23.00

For Sale Criterion Dynascope 4" Telescope Parts


By: starbird Location: 95409

These are parts from a criterion dynascope 4" reflector telescope. Primary mirror and cell dynascope 4" reflector...

27 Feb 2018

Views: 245

Sold!
$45.00

For Sale 8" Mirror Cell, 3 point support


By: ccaissie Location: 04353

Adjustable fit for 8-12" i.d. tubes. Cast Aluminum Heavy duty cell with clips and 3 point support. Buyer pays shipp...

04 Nov 2018

Views: 193

Sold!
$50.00

For Sale Lunt cover plate threaded for a double stack filter


By: doccap111 Location: Florida

Lunt cover plate threaded for a double stack filter This is a slip fit cover threaded for a LS50 filter originally t...

28 Nov 2018

Views: 582

Sold!
$720.00

For Sale 16" f/4.5 Meade Primary and 3.5" Secondary - $720


By: bvillebob Location: Eugene, Oregon

I've had these in storage for a few years, it's time to pass them along to someone looking for a good DSO scope. The...

20 Dec 2018

Views: 559


$199.00

For Sale Vintage 8"F8 Newtonian Parabolic Telescope Mirror Super Planetary


By: starbird Location: 95409

This is a vintage 8" F8 pyrex parabolic mirror. Super planetary long focal length newtonian telescope mirror. In the...

27 Jan 2019

Views: 282


$25.00

For Sale Mirror cell for 6" primary


By: Augustus Location: Connecticut

This came out of my old 6" f/4.3. Made by somebody on here, not me. Fits a 7.5" inner diameter tube but with longer...

28 Jul 2017

Views: 250

Sold!
$20.00

For Sale NICE 2.6" secondary holder with 3point push/pull collimation for sale!


By: MDearingJaxFL Location: Jax, FL

NICE 2.6" secondary holder with 3point push/pull collimation for sale! three way adjust with push/ pull (6) adjusters...

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.

27 Feb 2018

Views: 281

Sold!
$55.00

For Sale 8" mirror cell, 9 point support


By: ccaissie Location: 04353

Adjustable for 8-12" i.d. tubes Complete, has 9 point support, felt pads. Buyer pays shipping, Paypal preferred

13 May 2018

Updated: 13 May 2018

Views: 320

Sold!
$75.00

For Sale Melles Griot Non-polarizing Beamsplitter 25.4mm 632.8nm NOS


By: mark cowan Location: salem OR

Hi, This NOS (new old stock) Melles Griot non-polarizing beamsplitter is 25.4mm square and intended for 632.8nm use,...

07 Jul 2018

Views: 395


$45.00

For Sale Adjustable tripod legs


By: lphilpot Location: Central Louisiana

These are the original legs from an Astro-Tech Voyager ("1") alt-az mount, as seen in one of the photos (Note, I'm se...

18 Jul 2018

Updated: 20 Jul 2018

Views: 397

Sold!
$35.00

For Sale Edmund Booklet "Homebuilt Reflector Telescopes" by Sam Brown SOLD


By: johnlynch Location: Leesburg, Virginia

I'm selling a mint condition Edmund Scientific Company booklet "Homebuilt Reflector Telescopes" by Sam Brown. The ins...

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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