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25 May 2018

Views: 299


For Sale Baader SII Narrow Band CCD Filter 2-inch, Mint

By: jdbastro Location: Los Angeles

I am the original owner of this rarely used 8nm wide Baader filter in mint condition. Pristine, clean glass. Sale i...

13 May 2020

Views: 163


For Sale Orion Oxygen (OIII) Narrowband Nebula Filter 2"

By: drew2578 Location: Washington

Never used it and just been sitting in a box.

15 May 2020

Views: 229


For Sale Starizona filter slider

By: Nbsdsailor Location: CALIFORNIA

Starizona filter slider with 40mm spacer. Like new. $100 shipped

21 Aug 2018

Views: 358


For Sale Orion Filters

By: Pete LaFrance Location: Avondale Pa. 19311

I Have 8 Orion planetary 11/4" filters. #82A,25,58,80A,47,15,21 and 11..No cases.

26 Aug 2018

Views: 270


For Sale Set of Orion 1.25 color and moon filters. $35 shipped.

By: woody wood Location: Long Island

This set of color filters and moon filter are in good shape. The color filters are made in Korea and the moon filter...

21 Oct 2018

Views: 315


For Sale DGM NPB 2" Nebula Filter (Lumicon UHC Killer)

By: austin.grant Location: Albuquerque

Selling my excellent 2" DGM NPB filter. It's in excellent shape, and more effective than the Lumicon UHC. I sold my l...

18 Dec 2018

Views: 272


For Sale Baader O-III Nebula Filter - 2" Round Mounted

By: Stargazer3236 Location: Waltham, MA

I have a Baader 2" OIII filter, round, mounted for sale. It is a visual filter that can be used as an imaging filter,...

13 Sep 2020

Views: 105


For Sale Set of 6 Planetary Filters 1.25"

By: Michel Trottier Location: Quebec, CANADA

Filters in excellent condition with boxes. Kit contains: Knight Owl ND.13 Lumicon Light Blue No.82A Meade 4000 Blue N...

10 Mar 2019

Views: 221


For Sale Meade LRGB CCD imaging filters Set FREE SHIPPING

By: ruachsheavens Location: 60050

Includes red, blue, green and luminance filters, all in great shape. Shipping will be free in the CONUS. Will ship e...

26 Mar 2019

Views: 186


Wanted Orion 2" OIII Filter

By: stpeng168 Location: SF Bay Area

If you have one to spare, please let me know. Thanks and clear skies!

23 Nov 2020

Views: 83


For Sale 67mm Kolari Vision Visible + H-alpha filter (UV/IR cut)

By: xonefs Location: FL

New, never used. Perfect condition. $85 shipped conus

02 May 2017

Views: 266


For Sale CELESTRON UHC/LPR 2" FILTER 2 months old $75.00

By: Astroscrub Location: Irving,TX

Hello all I bought this about 2 months ago for my Atik Infinity OSC which I have sold and moved up to a mono camera f...

01 Sep 2017

Views: 275


For Sale Astrodon 3nm OIII 36mm NB filter

By: kmachhi Location: Carlsbad, CA

Astrodon 3nm OIII 36mm NB filter in excellent condition.

13 Sep 2019

Views: 346


For Sale 2" Baader o-iii filter

By: Steven650 Location: San Jose Ca

Hi all, up for sale is a 2" o-iii filter from Baader.. purchased it new from High Point about 3 months and never real...

21 Oct 2019

Updated: 21 Oct 2019

Views: 230


For Sale Baader Moon and Skyglow 2" Filter

By: ICU2 Location: Michigan

Hi I have had this for less then 2 months and used 3 or less times. I did not use my scope alot and going thru some c...

24 Oct 2019

Views: 142


For Sale Meade 1.25" 6 filter set w boxes Japan 1980

By: FC-100N Location: Veradale, WA

This is an all-original Meade 1.25-inch (6) filter set from Japan circa 1980. Each filter will come with its own bag...

04 Jan 2018

Views: 328


For Sale 2" IDAS LPS

By: Joe C Location: NC

I have a 2" IDAS LPS filter available. It is in excellent condition. The price includes shipping as well as Paypal fe...

01 May 2020

Views: 155


For Sale Burgess Optical Broadband Nebula Filter

By: evrimi Location: NJ

Burgess Optical 1.25" broadband nebula filter with case, in excellent condition. $20 + shipping.

07 Sep 2020

Views: 61


Wanted "WANTED" LRGB 1.25" Astronomik or ZWO Premium Filters

By: thebutcher Location: 18966 (Trenton/Philadelphia area)

I am looking for LRGB 1.25" Astronomik 2c (non-Deep Sky) or ZWO Premium Filters LRGB125NEW (The ones that come with...

09 Sep 2020

Views: 104


Wanted Chroma 36mm unmounted 3nm SII or OIII filter

By: overnight Location: Southern California

I would like to get a Chroma 36mm 3nm SII or OIII filter in good condition, let me know what you would like for it.

11 Sep 2020

Views: 132


For Sale GSO 1.25 Filters (4) for Planetary and Lunar Observation (Free Shipping)

By: rwt Location: Tennessee

A nice set of 4 GSO filters to better observe the planets and moon They are: # 8 Light Yellow Filter enhances detail...

13 Sep 2020

Views: 56



By: WhitenerJ Location: Texas

Looking for a clip in L-pro optolong filter. APS-C

04 Oct 2020

Updated: 04 Oct 2020

Views: 106


For Sale Idas LPS D1 Filter

By: neaptide Location: 10913

The filter is in great shape with the caveat that the letters on the frame have worn off a bit. I bought it from anot...

05 Feb 2019

Views: 268


For Sale Orion 1.25 Color Eyepiece Filter set "MADE IN JAPAN" #05516

By: scopehed Location: Meadview, AZ

Orion 1.25 Color Eyepiece filter sets "MADE IN JAPAN" #05516 These are top quality filters. These Filters will enhanc...

02 Nov 2020

Views: 134


For Sale 1.25" Baader 495nm Longpass Filter (CA Killer)

By: Bill_H Location: League City, TX

For Sale: 1.25" Baader 495nm Longpass FilterA few years ago, I used a 2" version of this filter to reduce bothersome...

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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