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Today, 03:49 PM

Views: 6


Wanted Optolong 2" L-Pro

By: waynemills Location: Maryland

Looking for an Optolong 2" L-Pro Thanks wayne

Today, 08:48 AM

Updated: Today, 02:50 PM

Views: 95


For Sale Altair astro Quad band 2" filter

By: Samskirchak Location: Pittsburgh pa

The filter brand new tried tried a few times. Price includes shipping and PayPal fees. Thanks for looking.

Yesterday, 10:22 PM

Views: 93


For Sale Astrodon 36 mm unmounted 3 nm Ha filter

By: syxbach Location: Texas

Downgrade to 5 nm. This filter was produced before Astrodon was sold. Very good quality. No scratch, like new. Free s...

Yesterday, 09:25 PM

Views: 78


For Sale Astronomik EOS XL Filters HA, CLS CDD, OWB

By: Rmorales6 Location: Virginia Beach, VA

I have 3 Astronomik EOS XL Filters for sale. The HA 12nm filter and the CLS CDD filter I purchased new a few months a...

Yesterday, 07:24 PM

Views: 144


For Sale 1.25"ZWO EFW/CHROMA 3nm Ha/OIII 1.25"

By: OrionNebula32 Location: Townsend, MA

Very clean and untouched but the one time I installed these filters. I did so with dust-free nitrile gloves in the cl...

Yesterday, 06:43 PM

Views: 77


For Sale Set of Seven Celestron 1.25" Eyepiece Filters

By: djbridges Location: Elbert, CO

These filters came with my C8, and I've never used them, so it's time for them to find a new home. All filters appear...

Yesterday, 02:59 PM

Views: 69


For Sale Baader 36mm LRGB CCD Filter Set, Looks New

By: Rexcat Location: Brookfield, WI

Hi All, I have for sale a Baader Planetarium 36mm LRGB set of CCD filters. I can not say for sure this set is new,...

Yesterday, 01:49 PM

Views: 68


For Sale Set of Eight 1.25" Optica B/c Color Filters made in Japan

By: starbird Location: 95409

This is a set of 8 optica B/c color filters made in Japan. No cells just the filters as shown. New old stock in stor...

Yesterday, 01:04 PM

Views: 61


For Sale Optolong 1.25” Ha-Sii-Oiii

By: Jbw7227 Location: Texas

Original owner, purchased in July 2020. Purchased last summer from Agena Astro. Filters are in excellent/like new con...

Yesterday, 12:44 PM

Views: 25


Wanted Wanted, 2 inch square filter cases

By: PABresler Location: Los Osos, Ca

I need at least four cases for 2 inch square filters. Will pay a nominal amount plus shipping.

Yesterday, 08:06 AM

Views: 21


Wanted WTB: filter set 36mm ASTRODON LRGB and SHO 5nm

By: SebaAstro Location: Pennsylvania

I am looking to buy a filter set of 36mm ASTRODON LRGB and SHO 5nm. Let me know if you have one to sell in case you a...

Yesterday, 02:00 AM

Views: 36


Wanted Need 2" UV/IR Cut filter

By: ShadowAngel Location: Oklahoma

Hello! I'm needing a 2" UV/IR cut filter, preferably ZWO or Optolong. If anyone has one for sale, toss me a message p...

06 Mar 2021

Views: 59


For Sale Custom Scientific 1-1/4" H-alpha filter 656.3nm/4.5nm

By: RichA Location: toronto

Custom Scientific 1-1/4" H-alpha filter 656.3nm / 4.5nmVery good condition.https://customscient.../astronomy.htmlship...

06 Mar 2021

Views: 26


Wanted WTB: Astronomik L-2 UV-IR Block Clip-Filter EOS APS-C

By: jessebear Location: Colorado

If you've got one, let me know your price shipped to 81503. Thanks!

06 Mar 2021

Views: 88


For Sale Astronomik OIII CCD-Filter, 1.25" Excellent condition

By: Rexcat Location: Brookfield, WI

Hi All, I have for sale a OIII made by Astronomik, it's in a 1.25" holder and is in excellent condition. Asking $75...

06 Mar 2021

Views: 31


Wanted Astrodon 49.7mm SII and OIII 3nm Filters

By: Haydon Location: Northeast Florida

Hello, I am looking for 3nm SII and OIII 49.7mm filters in good condition. Please send me a message if you have eithe...

06 Mar 2021

Updated: 06 Mar 2021

Views: 42



By: carathir Location: North Carolina

Looking for excellent condition LRGB filters (as listed, need 2mm)

06 Mar 2021

Views: 32


Wanted Astrodon 3nm or 5nm SII Filter

By: WYO100 Location: Iowa

Looking for Astrodon 3nm or 5nm SII Narrowband Filter - 1.25" Round Mounted

05 Mar 2021

Views: 86


For Sale Optolong L-eNhance Canon clip filter

By: Gork Location: Tucson, AZ

The only filter I use. I am selling all of my gear as I depart the hobby due to physical condition. This filter sel...

05 Mar 2021

Views: 57


For Sale Omega DGM VHT mid-band nebula filter 1.25

By: rdhand Location: Mesa, AZ

The filter is in excellent like new condition. The description on my purchase invoice was "DGM VHT mid-band nebula/LP...

05 Mar 2021

Views: 151


For Sale Lumicon Deep Sky 2in filter

By: Fromspace411 Location: 98445

This is a well used 2" Lumicon deep sky filter with dual Male threads. It has m48 on one side, m42(t2) on the other....

05 Mar 2021

Views: 87


For Sale Orion SkyGlow 2 inch filter for SCT

By: laixiaolue Location: San Jose

This filter directly screw on the SCT rear port. The filter is in excellent condition, no scratches or coating issue....

04 Mar 2021

Views: 101


For Sale ZWO 2" H-Alpha, SII, OIII 7nm Filter Set

By: justusliebig Location: Germany

Purchased August 18 2020. Selling because i upgraded to 3nm 600 USD plus shipping wherever you want, location is Ger...

04 Mar 2021

Views: 84


For Sale Parks ALP 1.25” Filter

By: Gracie700 Location: Palmdale

Parks ALP 1.25” Filter Free shipping to CONUS. Questions...Feel free to ask.

04 Mar 2021

Views: 36


Wanted Orion 2” Ultrablock filter

By: Alan Lippert Location: Chicago

Looking for a good condition 2” Orion ultrablock filter. Let me know your asking price. Thanks!

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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