Jump to content


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.

All Ad Types Sort by                Order  

27 May 2018

Updated: 21 Jun 2018

Views: 550


For Sale 16.5" X 2.75" Pyrex Mirror Blank

By: lonrobie Location: Sacramento, CA

This is a Pyrex 2.75" thick molded mirror blank. The bottom has been ground flat, it is curve generated to f/5.38 wit...

27 May 2018

Views: 487


For Sale Unused Swayze refigured 14.25-inch f4.5 mirror

By: smwiele Location: Tucson

This mirror started as an f6 I made from a 1.5 inch thick pyrex blank obtained from Newport Glass about a dozen years...

27 May 2018

Updated: 29 May 2018

Views: 261


Wanted FOUND Mirror - Secondary for Celestron C8

By: mpupeza Location: Ontario, Canada

Mirror found at Spectrum Coatings - great news for me! Secondary Mirror for Celestron C8+. This is the small convex...

26 May 2018

Views: 495


For Sale COULTER 17.5 F:4.5 MIRROR

By: jefffed Location: N.E. PA

FOR SALE Coulter 17.5" F:4.5 mirror 1.5" thickness. The mirror performed very well in my Dob. Globulars were breath...

26 May 2018

Views: 169


Wanted Meade 8" primary cell

By: airbleeder Location: Powder Springs, GA

I'm looking for an aluminum primary cell which will fit inside a 9"ID sonotube. It can be a Meade cell or an adjustab...

26 May 2018

Views: 164


Wanted WNNTED 60mm X 1000mm lens

By: oldtimer Location: Chicagoland

I'm looking for a 60mm X 1000mm lens. With or without a cell.

25 May 2018

Updated: 01 Jun 2018

Views: 350


For Sale 16.5" ID Rotating Ring Set For Large Newtonian

By: Tom Duncan Location: Chico, CA

Pair of very large 16.5" ID rotating rings for a very, very large Newt. These came off an old 12.5" f6 Newtonian OTA...

25 May 2018

Views: 497


For Sale 12.5" f6 Newt Optics Set w/Cell & Secondary - Discovery?

By: Tom Duncan Location: Chico, CA

12.5" f6 primary Newtonian mirror in a Parks cell and secondary on spider. Came out of an old solid tube (probably Pa...

25 May 2018

Views: 839


For Sale 16" f/3.25 Telescope Mirror

By: Steve Dodds Location: Salt Lake City

For sale a 16" f/3.25 Focal length 51.75" 1.5" thick Pyrex Protected aluminum coating. Weight 20.1 lbs. Image is...

25 May 2018

Views: 166


For Sale AstroSystems 17.88" Spider & 3" Secondary Holder - LNIB, REDUCED

By: Augustus Location: Connecticut

Bought this, forgot about it, got it, don't need it. Spider is sized for a 17.88" inner tube diameter but can easily...

24 May 2018

Views: 301


Wanted Wanted:Large refractor Objective

By: Sean Cunneen Location: Flossmor Il

I am looking for a large refractor Objective, 6" or larger, f8-f15, preferably 8" dia. I prefer one of known quality....

24 May 2018

Updated: 31 May 2018

Views: 248


For Sale 1.83 Secondary Mirror

By: Chucky Location: Dublin, Ohio

Orion diagonal from a new XT8. Mint. Used 3x. It star tests just fine. Zero astigmatism I can see. This diagonal is f...

23 May 2018

Views: 220


For Sale Pair of made in Japan Flexible Metal Slow Motion Rods

By: starbird Location: 95409

This is a pair of vintage metal flexible slow motion control rods. Made in japan. Price is $23.00 plus $9.00 shippi...

22 May 2018

Views: 273


For Sale Coated Optical Window 5-1/16" in diameter

By: RichA Location: Toronto

Coated Optical glass window. New. 5-1/16" x 1/4" thick. 5 pieces available. PAYPAL only internationally, bank e-tr...

22 May 2018

Views: 275


For Sale Orion Optics Wynne corrector

By: ManuelJ Location: Madrid, Spain

From an old telescope, not used anymore. Price is in euros.

21 May 2018

Views: 603


For Sale New Tube w/Rotating Rings, Focuser and Curved Spider - Fits Cave 1.5" Shaft

By: Da Bear Location: Walnut Creek, Ca

Hi all, This is an OTA project that worked great the three times I used it. But I sold the Cave mount and mirror tha...

21 May 2018

Views: 349


For Sale 3.1” diagonal/Holder

By: dougm Location: Philadelphia

Offering up a very clean, great condition 3.1” mirror diagonal and Astrosystems holder with dew heater installed. Got...

20 May 2018

Views: 347

Offer Pending

For Sale 4 dovetails …. one price !

By: 107 Location: canada

Cleaning up ! I have these 4 dovetails ,,,, 2 look like vintage Vixen . one longer one looks new one shorter one has...

19 May 2018

Updated: 19 May 2018

Views: 368


For Sale Home Made Eyepieces & Tubing

By: Roger64 Location: 13027

First offer: Assortment of mostly 1.25" tubes both chrome & aluminum + .965" refractor focuser end = $19.00 inclu...

17 May 2018

Views: 142


For Sale Large Vintage Finder / Guide Scope Rings On Board

By: Tom Duncan Location: Chico, CA

Set of large old finder/guide scope rings on what looks to be a nicely done wood board for a truss DOB with stainless...

17 May 2018

Views: 177


For Sale Vintage 8" Newt Tube Only - Undrilled, Unused

By: Tom Duncan Location: Chico, CA

Vintage 8" Newtonian fiberglass tube only, unused, no holes drilled. However it shows its age, some cracking and scuf...

16 May 2018

Views: 516


For Sale 1979 NOS Coulter 12.5" Cassegrain Optics Set + Novak Cell & Spider

By: Tom Duncan Location: Chico, CA

Apparently never unwrapped 1979 Coulter 12.5" Cassegrain telescope optics set with never used Novak cell and spider....

16 May 2018

Views: 120


For Sale 3" Minor Axis Secondary Mirror

By: Tom Duncan Location: Chico, CA

Used 3" minor axis 1/2" thick secondary mirror. Aside from one tiny mark on the edge (see photos) the coatings are fi...

16 May 2018

Views: 608


For Sale Give-Away, Almost, Meade 16" f4/5 and 3.1"

By: tmiddendorf Location: Central FL

Almost giving this optics set away. 1) Selling Meade 16" f4/5 Primary Mirror in Excellent condition, coatings very g...

15 May 2018

Views: 292


For Sale Orion XT8 8" f5.9 1200mm Primary Mirror In Cell

By: Tom Duncan Location: Chico, CA

Used Orion XT8 8" f5.9 1200mm mirror and cell. Coatings fine, a few tiny marks that would be expected, no need to rec...

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.

Recent Topics

Powered by Classifieds

Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics