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27 May 2018

Updated: 21 Jun 2018

Views: 550

UPDATED
$425.00

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

Sold!
$1,250.00

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

Found!
n/a

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

Sold!
$550.00

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


$1.00

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

Found!
n/a

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

Sold!
$300.00

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

Sold!
$525.00

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

Sold!
$1,000.00

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

Sold!
$70.00

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


n/a

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

Sold!
$32.00

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

Sold!
$23.00

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


$25.00

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

Sold!
$500.00

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


$199.00

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

Sold!
$110.00

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
$40.00

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

Sold!
$49.00

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

Sold!
$45.00

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

Sold!
$50.00

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

Sold!
$350.00

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

Sold!
$50.00

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

Sold!
$675.00

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

Sold!
$100.00

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.


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