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18 Dec 2019

Updated: 20 Dec 2019

Views: 341


For Sale **REDUCED**Astrodon 1.25" full filter set Narrowband + LGRB e-serie

By: martastro Location: Montreal

full kit Astrodon filter, Ha+Sii+Oiii+LGRB (second gen type E-series) Narrowband 5nm bandwith 1.25" shipping from can...

29 Sep 2020

Views: 250


For Sale Triad Ultraband Filter 2"

By: Rustysquad Location: Houston

Comes with Starizona Filter Slider - M42 ZWO M48 to M42 Adapter

01 Jul 2020

Views: 294


For Sale Chroma Technology filters and ZWO ASI 8 position EFW

By: Jay Hall Location: Lanett, Alabama

New set of 5nm Ha, OIII, and SII, and LRGB filter set. Also included, Low glow light pollution filter. Filter are ins...

25 Mar 2020

Views: 307


For Sale Astrodon 50 mm unmounted round filters

By: tolgagumus Location: NJ

These are in excellent condition used filtersHA3_50R used $949.00HA5_50R used $699.00LRGB2_E50R used $999.00LRGB2_I50...

20 Jul 2019

Updated: 22 Jul 2019

Views: 321


For Sale Astrodon Ha/SII/OIII 5nm & ZWO 7pos 36mm EFW see details

By: stryker66 Location: spring valley, NY

These are unmounted 36mm and was installed since acquired. Absolutely in excellent condition since I handle this with...

25 Mar 2020

Views: 156


For Sale Coronado 30mm Blocking Filter (Straight Through) 2"

By: Camcon101 Location: Stony Brook, NY

Excellent condition. No degradation whatsoever. Free shipping in continental US Paypal payment may be made to Camcon...

11 Apr 2017

Updated: 12 Apr 2017

Views: 706


For Sale DAYSTAR QUARK Ha Filter

By: Deepsky17 Location: Bradenton, FL 34209

Daystar Instruments "QUARK" Hydrogen Alpha Filter, Chromosphere model. Also Includes: 92mm diameter quark container,...

27 Jul 2020

Views: 288


For Sale 2" Triad Ultra Quad Band Filter

By: Jbridges Location: 94568 Dublin CA

I have an OPT 2" Triad Ultra Quad Band Filter for sale.Absolutely nothing wrong with this. I purchased this a little...

24 Aug 2020

Updated: 28 Aug 2020

Views: 263


For Sale *UPDATED PRICE* 2” Radian OPT Triad Quadband Narrowband Filter

By: JayWisc Location: 84096

For sale is an OPT 2" Triad Ultra Quad Band Filter.I purchased this a little over a month ago and used it twice with...

19 Mar 2020

Views: 354


For Sale Astronomik Filter Set + ZWO EFW8

By: iGarfinkle Location: 81527

Up for sale are my 1.25” Astronomik filters and ZWO EFW8. I would much prefer to sell them as a set and will give pre...

31 Aug 2020

Views: 147


For Sale 2" Radian Triad Ultra

By: r3g Location: Bay Area, CA

Selling my Triad filter because I don't image in color anymore. Owned less than 6 months and it is in excellent condi...

26 Oct 2020

Updated: 28 Oct 2020

Views: 186


For Sale ZWO EFW with Complete1 1/4 Filter Set

By: DougSol Location: California

8 position ZWO Filter Wheel with Astronomik 1 1/4" LRGB and 6nm Narrow Band set. All in very fine condition. I need l...

21 Sep 2020

Views: 142



By: sparkyht Location: Upper Midwest

Like new, used only a handful of times. Amazing filter that enables you to shoot narrowband with a one-shot color cam...

22 Nov 2020

Updated: 25 Nov 2020

Views: 69


For Sale Baader 50mm Square LRGB and SHO Filter Set

By: Monkeybird747 Location: Kentucky

Filters in excellent shape. Came with a camera I bought and I don't need them. Price includes CONUS shipping. Buyer c...

07 Jan 2020

Updated: 26 Jan 2020

Views: 285


For Sale Baader Narrowband

By: Rhodey Location: Goodyear, AZ

Selling my set of high speed Baader filter for systems at f/2 and faster. This is all 3 filters, 2" mounted (Ha, OIII...

29 Oct 2019

Views: 218


For Sale Astrodon Tru-Balance GEN 2 LRGB I-Series- 50MM Round Unmounted Filter Set

By: Sevo Location: Dublin,Ireland

I`m selling my hardly used Astrodon Tru-Balance GEN 2 LRGB I-Series- 50MM Round Unmounted Filter Set Filters have sig...

16 Oct 2017

Views: 477



By: W8TU Location: Plymouth, MI

I have for sale a DayStar Quark Chromosphere in Excellent Condition. . This DayStar was purchased at NEAF earlier thi...

06 Jun 2019

Updated: 07 Jun 2019

Views: 281


For Sale Baader F/2 Narrowband Filters

By: explorer7377 Location: Roswell

Baader F/2 Narrowband Filters = 2 inch Ha, OIII and SII. Price includes shipping in U.S. only. Bought in January for...

02 Jul 2019

Views: 268


For Sale Astrodon 1.25'' Ha, Oiii, Sii, 5nm filter set

By: Xing Location: Bay area, CA

The Astrondon 5nm NB set in excellent conditions. They are good for use in cameras like ZWO 1600, etc. Price of new...

31 May 2017

Views: 241


For Sale Daystar Quark Chromosphere (Shipping+PayPal incl)

By: RidesForever Location: 47172 - Southern Indiana

I bought this new a couple months ago and hardly have a chance to use it. I thought someone else might be able to enj...

28 Dec 2019

Views: 132


For Sale 49.7mm Unmounted Round Astrodon LRGB Gen2 E-Series Tru-Balance Filter Set

By: jdk Location: CO

Excellent condition, like new. Purchased in October 2019 (will include documentation with serial numbers). I'm moving...

01 Nov 2018

Updated: 03 Nov 2018

Views: 481


For Sale **REDUCED**Daystar Quark Solar Filter Chromosphere Model

By: Mikie Location: Holton, KS

**REDUCED**NEVER USED and STILL IN THE BOX: Daystar Quark Solar Filter Complete Chromosphere Model. Everything is inc...

23 Aug 2019

Views: 218



By: Xing Location: Bay area, CA

Full f/2 2'' filter set. Condition is MINT! I sold my Hyperstar so it's for sale Asking for $835 + shipped to CONUS...

03 Oct 2019

Updated: 07 Oct 2019

Views: 329


For Sale ZWO Mini Filter Wheel with Astrodon 31mm Filters

By: Koradox Location: South San Francisco, CA

REDUCED - After sitting on the shelf for a while not being used, and wanting to fund new purchases, I have decided to...

28 May 2017

Views: 362

Offer Pending

For Sale Baader f/2 2'' narrowband filter set. Mint!

By: Xing Location: San Jose, CA

A whole Ha, Oiii and SII set which are actually unused. OPT sells it new for $984 Asking for $825 shipped to CONUS...

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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