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Yesterday, 09:11 AM

Views: 55


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Wanted Meade Secondary for 16"


By: DaveK Location: Idaho

Looking for a used 3.5" or 4" secondary (preferably with the spider) for a 16" Starfinder I am restoring. In lieu of...

04 May 2021

Views: 62


$200.00

Wanted 10" f/4-f/5 Mirror/Mirror Set


By: crose39 Location: Williamsburg, VA

I am looking for a 10" f/4-f/5 primary mirror with matching secondary in good condition for a dob I am building. Pric...

04 May 2021

Views: 272

Offer Pending
$585.00

For Sale 90mm F/6.6 Triplet air spaced objective slightly used


By: blindqvist Location: Germany

Up for sale. Slightly used 90mm F/6.6 Triplet air spaced lens with a great color correction and a very good overall c...

02 May 2021

Views: 55


$1.00

Wanted 6" f/5 Parabolic Primary Mirror


By: mksf4554 Location: San Francisco Bay area, CA

Looking for a 6" f/5 Parabolic Primary Mirror in very good condition. Thank you for looking

02 May 2021

Views: 36


$1.00

Wanted Moonlite Ball and Socket Truss Connectors for 1.25" ID poles


By: Mike H. Location: Louisiana

Looking for a set of Moonlight Ball and Socket Truss Connectors for 1.25" ID poles - 4 double upper socket assemblies...

02 May 2021

Views: 160


$75.00

For Sale 4" 1/20 wave Zerodur Test Flat


By: Steve Dodds Location: Salt lake City

I have several 4" test plates made by Zygo in the 80's and never used. I tested several and they range between 1/20 a...

02 May 2021

Views: 55


$100.00

Wanted Seeking 6-8" mirror, cheapish


By: gribley Location: Rhode Island

Looking for a 6-8" mirror for a project. Prefer pretty fast, f/6 or under. It's just an experiment, so it doesn't nee...

09 Mar 2021

Updated: 02 May 2021

Views: 128

UPDATED
$140.00

For Sale GSO 104mm MA Secondary Mirror (UNUSED) ** PRICE REDUCED **


By: sunrag Location: Indiana

I got this from Agena Astro 6 months ago, but did not use it. It is still unopened in its package.https://agenaastro....

02 May 2021

Views: 85


$60.00

For Sale 80mm Air-Spaced Achromat


By: MASILMW Location: US

80mm Air-Spaced Achromat The achromat has a focal length of 700mm and is f/8.75. The lenses are fully MgF2 Coated. Ju...

02 May 2021

Views: 125


$335.00

For Sale Meade 10” LX200 classic mount and hand controller


By: woody wood Location: Long Island

Mount has an issue with skipping gears. Just seems to not be locking in at right ascension. The hand control does pow...

01 May 2021

Views: 104

Sold!
$13.99

For Sale Excellent machined Newt/Dob curved focuser base for ~180mm tube


By: msl615 Location: Alaska

Excellent condition and may never have been mounted. Newtonian focuser curved base. Unknown brand (it looks A LOT li...

30 Apr 2021

Views: 276

Sold!
$275.00

For Sale 10” F4.7 mirror with cell, focuser, secondary mirror


By: Nightrider73 Location: Florida

10” F4.7 mirror + cell + secondary mirror and new (never used) nice helical focuser with extension tube. orion mirror...

30 Apr 2021

Views: 149


$50.00

For Sale [REDUCED] SkyWatcher OEM EQ6R-Pro dual saddle (Losmandy & Vixen)


By: Andrea Salati Location: Jacksonville, FL

Days ago I received and installed an ADM dual saddle so I don't need the original one anymore. As you can see from th...

30 Apr 2021

Views: 238


$225.00

For Sale 6" 1/20 wave Test Flat


By: Steve Dodds Location: salt Lake City

I have several 6" test plates made by Zygo in the 80's and never used. I tested several and they range between 1/20...

30 Apr 2021

Views: 96


$150.00

Wanted 10" f/4.5-f/5 primary mirror(s)


By: Augustus Location: Connecticut

Looking for a 10" f/4.5 to f/5 primary mirror (preferably not too thick) for a hexapod travel scope project. My best...

29 Apr 2021

Views: 408

Sold!
$425.00

For Sale Istar 154mm Doublet Airspaced Achromatic Lens in Cell


By: starbird Location: 95409

This is an Istar 154mm doublet airspaced achromatic lens. It is fully multi coated and in the cell. New unused just...

28 Apr 2021

Views: 34

Found!
$1.00

Wanted GSO/Zhumell, etc., 10" Tube End Ring (front)


By: FDuVinage Location: MD/VA/DC

Hello, if anybody has a GSO/Zhumell/Apertura 10" dob tube no longer in use or being sold as parts, I'm in need of the...

28 Apr 2021

Views: 88


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Wanted 12.5 f/6 Dobsonian Kit


By: Bikeboy60 Location: Parker, Co

Hello, I am looking for a kit to build up a 12.5 f/6 with my dad. Let me know if you have such a thing:-) Keep Looki...

23 Apr 2021

Updated: 27 Apr 2021

Views: 461

UPDATED
$20.00

For Sale Odds and Ends


By: randcpoll Location: NY/NJ Border

Orion SteadyPix camera mount (a sturdy all-metal item to attach a camera to shoot through an eyepiece) - SOLD Celest...

26 Mar 2021

Updated: 27 Apr 2021

Views: 136

UPDATED
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For Sale FREE Bushnell 130mm x 32" reflector tube


By: Littlegreenman Location: South Pasadena, CA 91030

Free, local pickup only in NE Los Angeles/ Pasadena Arroyo area. NO SHIPPING ID is approximately 130mm Length 83cm...

25 Apr 2021

Updated: 26 Apr 2021

Views: 155

Sold!
$55.00

For Sale Destiny 3-Vane Spider/1.5” Diagonal


By: dougm Location: 19122

Got this for a project I’ve decided to part out, the spider is new from Destiny and fits a 7-3/8” inside diameter tub...

26 Apr 2021

Views: 154


$90.00

Wanted 6-10" primary mirrors, secondaries, other parts


By: Augustus Location: Connecticut

A few local students and friends want to build their own telescopes and I'm looking for affordable optics to use. I c...

25 Apr 2021

Views: 43


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Wanted 70mm (2.75") Diagonal/Secondary Mirror


By: Taosmath Location: NM 87571

Looking for a diagonal mirror for my latest ATM project. Preferred size is 70mm minor axis (2.75 ") but there's a li...

25 Apr 2021

Views: 208

Sold!
$125.00

For Sale 6 inch F6 Parks Mirror


By: Martin Location: Rapid City, SD

For sale is a very nice condition 6 inch F6 mirror made by Parks. Parks was known to make great mirrors. I had this o...

24 Apr 2021

Views: 172


$45.00

For Sale Doublet Airspaced Lens 102mm Dia. by 20" focal length


By: starbird Location: 95409

This is a very nice doublet airspaced lens of 102mm diameter and with a focal length of about 20". Makes a nice larg...

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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