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21 May 2017

Views: 182


For Sale Astronomik EOS clip filter CLS

By: bfalls Location: Phoenix, Arizona

Selling my EOS clip in light pollution filter. I switched to a CCD and no longer have a use for this filter

22 Jul 2017

Updated: 02 Aug 2017

Views: 247


For Sale 9.75" and 11.75" Solar Filters

By: CCD-Freak Location: Texas

I forgot I even had these unmounted glass solar filters that I bought many years ago. I think these were made by 1000...

09 Nov 2017

Views: 170


Wanted Wanted: ZWO Narrowband Filter Set

By: clockman Location: Seattle area

Looking for a ZWO Narrowband Filter Set. Let me know if you have the complete set to sell. Thanks!

05 Jan 2020

Views: 67


Wanted Optolong L-eNhance Light Pollution 2"

By: 1onica Location: fremont

Optolong L-eNhance Light Pollution in good condition

22 Feb 2018

Views: 250


For Sale Omega DGM Optics NPB Nebula Filter 1.25"

By: Paul Sullins Location: Lake Charles, LA

1.25" Omega DGM Optics NPB (Narrow Pass Band) Nebula Filter in excellent condition. Free shipping!For a picture visit...

22 May 2018

Views: 141


Wanted Astrodon Gen-II O-III 3nm 31mm or 1.25-inch (Excellent Condition)

By: mxcoppell Location: Dallas, Texas

Still hunting for the O-III 3nm from Astrodon! Thanks!

05 Nov 2018

Views: 122


For Sale Schuler Astrodon Imaging 9nm SII 1.25 inch Filter

By: LorenTx Location: DFW, TX 76180

For sale is a Schuler Astrodon Imaging 9nm SII 1.25 inch Filter in excellent shape. Payment by PayPal (I will pay f...

15 Dec 2018

Views: 201


For Sale Atik ATK-MFW filter wheel

By: Pax2You Location: North Carolina

Bought this from it's original owner thinking I'd be getting a mono camera, but ended up ordering a ZWO ASI071MC Pro...

08 Jan 2019

Views: 114


Wanted Looking for Narrow Band Filters Set

By: aashish Location: San Jose

Hello all, I am looking for a narrow band filters set from either Astrodon or Custom Scientific. Preferably 3nm OII...

08 Feb 2019

Views: 287


For Sale Lumicon 2" UHC Ultra High Contrast Telescope Nebula Filter

By: scopehed Location: Meadview, AZ

We got this in as a trade - it is an older filter and shows some wear on the coatings. We tested it and the wear does...

22 Feb 2019

Updated: 23 Feb 2019

Views: 302


For Sale Sold Baader Oiii filter 2" 8nm

By: tony cap Location: South Florida

Selling a very barely used 2" Baader OIII CCD filter. The filter is in excellent condition and includes case. $160 sh...

09 Apr 2017

Views: 389


For Sale Celestron BAADER Contrast Booster #94121 1.25" filter

By: yukosteel Location: Bellevue, WA

Celestron BAADER Contrast Booster #94121 1.25" filter in great conditions. Shipping to CONUS only, price includes PP...

02 May 2017

Views: 285


For Sale 2-inch DayStar UV/IR Filter

By: Deepsky17 Location: Bradenton, FL

2-inch DayStar UV/IR Filter (ERF). This is NEW Never Used! $100.00 Shipped, CONUS ONLY ---- No PayPal acct. US Postal...

19 Jul 2017

Updated: 22 Jul 2017

Views: 328


For Sale IDAS - LPS-P2 - Light Pollution Filter *Lower Price*

By: Randy3904 Location: Canada

For Sale is an IDAS LPS-P2 Filter 36mm Unmounted Size Could be used with a color CCD or as a Lum Filter for Mono CCD...

18 Oct 2017

Views: 283


For Sale Japanese Six Filter Set in carousel w/boxes

By: Sheldon Location: Broken Arrow, OK

I used to use these with small refractors and excellent Kelner and Ortho Eyepieces. but they have been sitting for ye...

21 Oct 2017

Views: 205


For Sale Lumicon 1.25" Hydrogen-Beta Filter #LF3055

By: boisestate13 Location: Boise Idaho

Filter is in great condition, lightly used with extreme care. Emission Line Transmittance% 486nm Hydrogen-Beta 95.4...

16 Dec 2017

Views: 137


Wanted WTB: Astrodon 1.25in mounted Gen2 E LRGB+SHO filters

By: dhaval Location: 78681

Hello all, I am looking for excellent condition Astrodon 1.25in Gen 2 E series LRGB filters. I am also looking for e...

17 Dec 2019

Views: 74


For Sale Optolong OIII 12 nm 2” filter

By: lenrabinowitz Location: 01721

For sale is a used Optolong OIII 12 nm 2” filter. About two years old. Not much use on it; mostly just sitting in...

11 Feb 2018

Updated: 02 Mar 2018

Views: 173


Wanted Lumicon H-Beta filter 1.25" Wanted

By: TopQ Location: Wake Forest, NC

Hello Guys I am looking for a 1.25" Lumicon H-Beta filter in good conditions Thanks, Bruno

22 Feb 2018

Views: 343

Offer Pending

For Sale Lumicon Night Sky Hydrogen-Alpha Filter - 1.25" # LF3085

By: Paul Sullins Location: Lake Charles, LA

1.25" Lumicon Hydrogen-Alpha Filter in excellent condition. Free shipping!For pic please visit the link below:https:...

14 Jul 2018

Updated: 15 Jul 2018

Views: 216


For Sale Astronomik CLS-CCD Filter

By: Trombone76 Location: Kingman AZ

I am selling an Astronomik 31mm filter for use of helping out in light pollution situations. The filter is treaded l...

19 Aug 2018

Views: 271


For Sale Lumicon 2” OIII Filter

By: kwjohnson Location: Minneapolis, MN USA

Lumicon 2” OIII Filter. Excellent condition. Original owner. Purchased new in April 2018 for $235. (This is not the n...

19 Oct 2018

Views: 110


For Sale Meade #911N Narrowband SCT filter

By: PowerM3 Location: Pdx

Hi, I have a Meade #911N Narrowband SCT filter. Mint shape in original case/box. $85 plus $4 to help cover shipping/...

15 Apr 2019

Updated: 10 Jun 2019

Views: 427


For Sale Selling my 2" Narrow Band Filters

By: JavierV Location: McAllen, TX, USA

Hello,I'm selling my NB filters, they are in flawless conditions. I almost never used them.2" mounted filters:Baader...

11 May 2019

Updated: 12 May 2019

Views: 226


For Sale Omega NPB Filter - Like New

By: tchelo Location: Texas

1.25" - Used only a few times - Amazing views.... I have to make room in my accessory case, so my loss is your gain....

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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