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27 Mar 2018

Views: 607


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For Sale 8 inch F/6 Meade Mirror


By: Heavensboy Location: NE

For Sale: Meade 8 inch F/6 mirror. Mid to late 1980s. There is a small silicone spill on the mirror at the 6 o'clo...

27 Mar 2018

Updated: 26 Apr 2018

Views: 275

UPDATED
$65.00

For Sale Celestron CPC8 declination motor and gear drive


By: sgduffy73 Location: Santa Rosa, CA

Bought this when my CPC8 was new, thinking I had motor problems in Dec. Turned out to be bearing problems, so never u...

25 Mar 2018

Views: 322

Sold!
$25.00

For Sale Astrosystems Cooling Fan Power Charge/Switch kit


By: moshen Location: Bay Area, California

Charging an power supply system for mirror fans.https://www.astrosys....biz/pmcfan.htmNew, never used. Same as on ast...

25 Mar 2018

Views: 278

Sold!
$50.00

For Sale Spider for Newtonian 17.5"


By: tmiddendorf Location: Central FL

Sellilng a heavy duty (possibly Novak) spider for newtonian scope. It is 17.5" across with double bolts (included). C...

25 Mar 2018

Views: 503

Sold!
$145.00

For Sale Astrosky Mirror Cell for Dobsonian


By: tmiddendorf Location: Central FL

Selling a very nice Mirror Cell for a 16"-17.5" dobsonian scope. 18-point mirror cell built by Astrosky. The cell is...

24 Mar 2018

Views: 599

Sold!
$995.00

For Sale Sears 90mm F15 Airspaced Refractor Telescope Lens in cell. A rare find


By: starbird Location: 95409

This is a very rare find. Only a handfull made. Sears 90mm F15 airspaced lens. Made by Royal Optics of Japan for s...

24 Mar 2018

Views: 204

Sold!
$125.00

For Sale 2.6" Secondary Mirror Antares PV 1/21 Brand New


By: TVG Location: Kingsport, TN

Brand new unopened Antares 2.6" superbly figured pv 1/21 secondary mirror. $179 if bought new from Antares or get thi...

24 Mar 2018

Updated: 24 Mar 2018

Views: 267

Sold!
$80.00

For Sale Protostar Curved Vane Secondary Mount


By: TVG Location: Kingsport, TN

I have for sale a Protostar Curved Vane Secondary Mount for a 2.14" (with mini shroud) or 2.6" (without mini shroud)...

24 Mar 2018

Updated: 29 Mar 2018

Views: 541

Sold!
$600.00

For Sale 12.5" F/4.89 Woden Optics Mirror


By: TVG Location: Kingsport, TN

I have for sale the nicest mirror I have ever owned. It is a pyrex 1.5" edge thickness 12.5" diameter mirror made by...

24 Mar 2018

Views: 285


$25.00

For Sale Nice Set of Rings for DOB Upper Truss Assy - 25.00


By: ruachsheavens Location: 60050

I parted out my 17.5" Project DOB. I sold the mirror and the cell, have these parts left. 1) Pair of upper cage ring...

23 Mar 2018

Views: 402

Sold!
$80.00

For Sale Zhumell SCT Dual Speed Telescope Focuser


By: HKang Location: schenectady NY

For use on Schmidt-Cassegrain (SCT) Telescopes 11:1 dual-speed focusing Crayford design Traveling distance of draw-tu...

23 Mar 2018

Views: 219

Found!
$1.00

Wanted Celestron Great Polaris Mount R.A. Motor Cover...


By: dragonstar4565 Location: San Jose, CA

Hello, I am looking for one of these covers, in good, to excellent condition for a reasonable price, to go on my GP m...

23 Mar 2018

Views: 918


$1.00

For Sale Refiguring Services


By: Steve Dodds Location: Salt Lake City

Refiguring for mirrors from 10” TO 25” Utilizing a full aperture (32” certified autocollimation flat) All services...

21 Mar 2018

Views: 312

Sold!
$225.00

For Sale RARE Novak 22.5" 18-Pt Primary Mirror Cell $225.00


By: ruachsheavens Location: 60050

This is a rare find - Novak products are great but no longer being made. This cell did a fantastic job of supporting...

20 Mar 2018

Views: 538

Sold!
$25.00

For Sale Parting out an Obsession Clone - rings, trusses, more


By: ruachsheavens Location: 60050

I sold the mirror and the cell, have these parts left. 1) Pair of upper cage rings - 22 inches ID, 24 -3/4 inches O...

20 Mar 2018

Updated: 16 Apr 2018

Views: 731

Sold!
$110.00

For Sale 6.38" refractor set


By: ccaissie Location: 04353

I do not know what this set was intended for. I suspect it was custom ordered, and R4 was cut to the wrong sign..184"...

19 Mar 2018

Updated: 19 Mar 2018

Views: 311

Sold!
$50.00

For Sale 4.15" refractor set BK7/SF5


By: ccaissie Location: 04353

Generated and ground. R1=29.55 R2=-37.28 .36" edge thk R3=-50.04 R4=flat .31" edge thk OSLO says if R2 was increase...

19 Mar 2018

Views: 321


$60.00

For Sale 5" x .6" Interferometer Grade BK7 window.


By: ccaissie Location: 04353

Made by Laboratory Optical Co. 2CC/3CX fringes from flat PK/P Interferometer grade. buyer pays shipping, paypal pre...

16 Mar 2018

Views: 342

Sold!
$125.00

For Sale Swift 77mm Achromatic Lens in Cell


By: starbird Location: 95409

This is a swift 77mm diameter lens with a 1000mm focal length. It is in the original swift cell and has a sliding dew...

16 Mar 2018

Views: 193

Sold!
$5.00

For Sale Tasco 4.5" Reflector End Cap and Front Metal Tube Ring


By: mlucas9 Location: Knoxville, TN

Hi All, For sale is a end cap and the front tube ring which the end cap fit into, this is off of a Tasco 11TR 4.5 re...

16 Mar 2018

Updated: 02 Apr 2018

Views: 309

UPDATED
$65.00

For Sale 5.38" x .63" BK7 blank REDUCED


By: ccaissie Location: 04353

From Stanley Brower collection. Raising funds for our club. Immaculate blank. Buyer pays shipping, Paypal preferred

16 Mar 2018

Updated: 02 Sep 2018

Views: 479

Sold!
$30.00

For Sale 12.5" thick plate tool


By: ccaissie Location: 04353

3 pieces.1. Full thickness Pyrex, United Lens Blank, Flat on front, no chips. R=150 on back, edge chips. $175 SOLD2....

16 Mar 2018

Updated: 07 May 2018

Views: 283

Sold!
$50.00

For Sale 6" x 1/2" BK7 Precision Anneal blank ON SALE!


By: ccaissie Location: 04353

From Stan Brower /Laboratory Optical Co. endowment to our club. Now raising funds, and getting this fine glass into t...

16 Mar 2018

Views: 268

Sold!
$200.00

For Sale 6.5" x .75" BK7/F2 Blanks


By: ccaissie Location: 04353

From Stan Brower /Laboratory Optical Co. endowment to our club. Now raising funds, and getting this fine glass into t...

15 Mar 2018

Updated: 18 Mar 2018

Views: 381

Sold!
$200.00

For Sale Parallax Tube Rings for C14


By: jrb Location: Thousand Oaks, CA

Parallax Standard Rings for a Celestron C14 Excellent condition

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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