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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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15 Jan 2020

Views: 155

Sold!
$60.00

For Sale 12" 9-Point GSO Mirror Cell


By: Volvonium Location: Long Beach, CA

For sale is the 12" (304mm) primary mirror cell from a GSO / Zhumell Z12 / Apertura AD12. In excellent condition, 9 p...

14 Jan 2020

Views: 171


$49.00

For Sale Vintage Brass Finder Scope Lens in Cell


By: starbird Location: 95409

This was stored in a box labeled Mogey. From what I can figure it is a replacement finder scope lens. It is in a br...

14 Jan 2020

Views: 574

Sold!
$500.00

For Sale 15" Nova Mirror F/5.0 with secondary (65mm)


By: grzesznypl Location: Jackson Heights

I am considering possibility of selling my primary and secondary mirror as an optical set. I am building ultralight t...

14 Jan 2020

Views: 534


$89.00

For Sale Byers' Worm and Crown Wheel


By: Geo. Location: NY

Used Byers' worm and crown gear assembly from Celestron Powerstar mount. Worm accepts 0.1875" input shaft. Crown ha...

14 Jan 2020

Views: 152

Sold!
$75.00

For Sale Astrosystems Secondary Holder, Spider and GSO Secondary 2.6"


By: Lukes1040 Location: Ohio

Astrosystems spider and secondary holder with GSO mirror for sale. Never installed the spider or secondary, Like New...

13 Jan 2020

Views: 260

Sold!
$30.00

For Sale Explore Scientific 12" Dob Parts


By: scopehed Location: Meadview, AZ

We parted out an ES 12" dob. Will sell the parts separately or together for $250.Mirror box with dual fans & mirr...

11 Jan 2020

Updated: 12 Jan 2020

Views: 253

UPDATED
$700.00

For Sale Ceravolo Ross Null Lens S/N 4


By: kur3tking Location: Austin, TX.

Hello, I am reluctantly wishing to part with my Ross Null lens made by Peter Ceravolo. It is serial number 4. It is m...

11 Jan 2020

Views: 265

Sold!
$200.00

For Sale Meade RG1266 Mirrors and Components


By: mountman Location: Gaviota Coast 93117

Just like Frontier Airlines, you can bundle and save..... I bought the scope as a basket case with heavy damage to t...

11 Jan 2020

Views: 63

Sold!
$37.00

For Sale Meade #671 Wide Field Adapter/Telecompressor SCT F10 to F5


By: Steve_M_M Location: Texas

See ad here https://www.cloudyni...-sct-f10-to-f5/

11 Jan 2020

Views: 332

Sold!
$100.00

For Sale 10" mirror + Cell Excellent Mirror


By: mountman Location: Gaviota Coast 93117

This is a 10" full thickness mirror of uncertain provenance. F/6.7. I did some observing with it before I had it re-c...

11 Jan 2020

Views: 132


$600.00

For Sale 8 inch mirror, diagonal


By: carl33594 Location: Brandon, Florida

8 inch f6.09 Lightholder mirror plus diagonal, 3 point cell included...Strehl .98...Certificate available upon reques...

10 Jan 2020

Views: 585


$1,500.00

For Sale Obsession 18" f/4.5 Classic - No Optics


By: mountman Location: Santa Barbara area

I'm selling an Obsession 18" f/4.5 Classic complete scope sans optics. The scope was finished by Dave in September o...

10 Jan 2020

Views: 392

Sold!
$60.00

For Sale ES 152mm f 6.5 lens with issues


By: nreed Location: MN

The lens is in a cell, however my guess is the whole assembly was dropped resulting in two significant clamshell ch...

09 Jan 2020

Views: 140

Sold!
$100.00

For Sale Meade 3.5" Minor Axis Secondary Mirror with Holder/Spider


By: scopehed Location: Meadview, AZ

Excellent condition. Came off of a Meade LightBridge dob. Includes the mirror holder & spider. Please check out t...

09 Jan 2020

Views: 503

Sold!
$75.00

For Sale 10" f/5 "Gene Fair" Telescopics Primary w/ issues


By: mfoose Location: Lancaster, PA

For sale is a 10" f/5 primary mirror, Pyrex and just over 1.5” in thickness. I estimate this mirror was from the lat...

08 Jan 2020

Views: 152

Sold!
$60.00

For Sale FS: Astrosystems 18.25" Spider + 3.1" Secondary Holder


By: qpHalcy0n Location: Dallas

I have an AstroSystems Style 2 spider measuring 18.25" (18 1/4) tip to tip and a 3.1" secondary holder w/ short scre...

08 Jan 2020

Updated: 06 Feb 2020

Views: 188

UPDATED
$100.00

For Sale Fused Quartz Blanks - 6x1" - 3 Left


By: mark cowan Location: Oregon

These are NOS genuine fused quartz 6x1" blanks, fused as in made from actual quartz crystals. The melt zones can be s...

08 Jan 2020

Updated: 13 Feb 2020

Views: 786

UPDATED
$6,000.00

For Sale 30 inch f/5 Astro Sitall Mirror


By: redman2 Location: San Angelo, Texas

30 inch f/5 Astro Sitall Mirror Specifications - - - Material - - Astro Sitall. Coefficient of thermal expansion is...

08 Jan 2020

Views: 173

Sold!
$150.00

For Sale 10 Inch CNC Anodized Aluminum Mirror Cell


By: jblockyou Location: Illinois

I purchased this 10 inch mirror cell new a several years ago and used it on my 10 inch f/8.2 planetary scope and it w...

08 Jan 2020

Views: 179

Sold!
$65.00

Parks Optical 6" f/6 Mirror


By: mfoose Location: Lancaster, PA

For sale is Parks Optical 6" f/6 pyrex mirror. For lots of information on this mirror, go to Parks Optical website a...

08 Jan 2020

Views: 278

Sold!
$120.00

For Sale 8" f/15 Maksutov-Cassegrain Mirror/Corrector Kit


By: Augustus Location: Connecticut

I bought this thinking it was a set of 8" mirror blanks.... nope. Great if you want to make a Mak, or you could use t...

08 Jan 2020

Updated: 10 Jan 2020

Views: 324

Sold!
$175.00

For Sale 8 Inch Parabolic Mirror - Updated


By: jblockyou Location: Illinois

Update: I have had several requests concerning the mirrors accuracy so I have posted some test data. I have a real ni...

07 Jan 2020

Views: 97

Sold!
$24.00

For Sale Vinyl Tube End Cover 9 5/8"


By: starbird Location: 95409

This is a black 9 5/8" vinyl tube end dust cap. I only have one of these. Price is $24.00 plus $5.85 standard shippi...

06 Jan 2020

Views: 314


$1,875.00

For Sale Fused Silica Massive Double Sided Flat


By: Peter Nance Location: 92870

Fused Silica Massive Double Sided Optical Flat This is the master flat which you can use as a standard for flatness....

06 Jan 2020

Views: 175

Sold!
$75.00

For Sale Zerodur Flat Blank


By: Peter Nance Location: 92870

Zerodur Blank 5.236" Diameter .511" Thick Polished flat on 1 side tested against 1/20th wave flat looks about 2 wa...

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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