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Today, 09:20 AM

Views: 10


$1.00

Wanted Wanted- William Optics VR-1 filter


in Filters by Alrakis

Looking for the William Optics VR-1 filter, 2 inch size

Yesterday, 08:43 PM

Views: 71


$150.00

For Sale Optolong H-Alpha 7nm Filter 2”


in Filters by narcosisnz

The filter is excellent condition, no marks or blemishes. Comes in original packaging. (example images with this filt...

Yesterday, 08:16 AM

Views: 30


$1.00

Wanted Baader 1.25" RGB Filters


in Filters by Aaron Small

I'm looking for a complete set of Red-Green-Blue filters for imaging. I already have the UV-IR Cut but can work it o...

23 Apr 2019

Views: 73

Sold!
$50.00

For Sale Baader UV/IR cut L 1.25" mounted filter


in Filters by reddog1972

Hello - I have for sale a Baader UV/IR cut L 1.25" mounted filter for sale in excellent condition. I'm asking $50 vi...

22 Apr 2019

Views: 59


$6.50

For Sale Reduced: ORION COLOR FILTERS – Excellent!


in Filters by W8TU

I have for sale two Orion Color Filters in Excellent Condition..They are 1.25” Machined Aluminum and Glass Constructi...

22 Apr 2019

Views: 38

Sold!
$23.00

For Sale Celestron 2" 1A Skylight Filter SCT Thread Model


in Filters by starbird

This is a celestron 2" sct thread on 1A skylight filter. Screws on to the rear threads of celestron and meade sct t...

21 Apr 2019

Views: 102

Sold!
$40.00

For Sale Lumicon 1.25" H-Alpha filter


in Filters by Sam M

Lumicon 1.25" night sky Hydrogen-Alpha filter, excellent condition. $40 includes shipping and Paypal fees, Conus only.

21 Apr 2019

Views: 70


$95.00

For Sale Set of Orion 1.25” filters, four colors and UltraBlock Light Pollution Reducer


in Filters by Rexcat

Hi All, I have for sale a very nice set of Orion filters, included are the four basic colors, #25 Red, #15 Yellow, #5...

21 Apr 2019

Views: 55

Sold!
$55.00

For Sale Orion 1.25" LRGB set includes shipping CONUS


in Filters by Aaron Small

This item is a set of Orion 1.25" LRGB filters. I just got these filters with a filter wheel I bought from another C...

21 Apr 2019

Views: 103


$220.00

For Sale ZWO 31mm Narrowband filters


in Filters by Ivandn

Barely used ZWO 31mm Narrowband filters. These came with the filterwheel set I purchased, I tested them out and they...

21 Apr 2019

Views: 56

Sold!
$25.00

For Sale Lumicon ND25 Neutral Density Filter 25% Transmission 1.25"


in Filters by laixiaolue

The filter gives you maximum contrast on viewing planetary and lunar detail. Ask for 25$ shipped.

20 Apr 2019

Views: 69

Sold!
$25.00

For Sale Antares ALP/Nebula Filter


in Filters by Sam M

This is a broad band filter designed to block light pollution especially from sodium and mercury vapor lamps. $25 in...

20 Apr 2019

Updated: Yesterday, 03:10 PM

Views: 125

UPDATED
$425.00

For Sale ZWO HaSiiOiii and LRGB #freefilters


in Filters by Jeremiahs

Buy the Narrowband and get the LRGB for free! Good setup if you want to get into narrowband imaging. Filter wheel not...

20 Apr 2019

Views: 31


$1.00

Wanted Narrowband Astrodons Filters 1.25"


in Filters by shirejedi

Looking to purchase some 1.25" Astrodon narrowband filters. Preferably the following: Ha 5nm Sii 3nm Oiii 3nm Let me...

19 Apr 2019

Views: 48


$85.00

For Sale High Quality 5 ¾” Glass Red Filter .375” Thick


in Filters by J A VOLK

Excellent condition, 5.75” D, 3/8” thick. Printed on Edge: TYPE III RED, MADE BY GENERAL SCIENTIFIC CORP. , CHICAGO...

18 Apr 2019

Updated: 22 Apr 2019

Views: 70

UPDATED
$200.00

For Sale Lower - Optolong L-Pro Astro filter EOS FullFrame


in Filters by bigv

The L-Pro filter from Optolong is a multi-bandpass filter that works well for photographic use with your Canon EOS Fu...

18 Apr 2019

Views: 59

Sold!
$60.00

For Sale Baader Planetarium 685nm IR Pass Filter 1.25"


in Filters by Scottsdale90

Mint condition. Used twice. Free shipping within continental US.

18 Apr 2019

Updated: 18 Apr 2019

Views: 160

Sold!
$410.00

For Sale FS: Astrodon 1.25in Gen2 LRGB/Ha/OIII - Excellent Condition


in Filters by dhaval

NOTE: All filters are PENDING Hello all, I am selling my AD filters - 1.25in Gen2 E-series LRGB, 5nm Ha and 3nm OIII...

18 Apr 2019

Views: 97

Sold!
$20.00

For Sale 2" Moon Filter -- Orion


in Filters by mwking

2" Orion 13% Transmission Moon Filter. Price includes shipping to CONUS via USPS and paypal fees.

17 Apr 2019

Updated: 23 Apr 2019

Views: 227

UPDATED
$90.00

For Sale Reduced - Lumicon 2" O III filter


in Filters by mwking

Lumicon 2" O III filter older model. In excellent condition. Don't have the lumicon case. Price includes shipping to...

17 Apr 2019

Updated: 19 Apr 2019

Views: 182

Sold!
$100.00

For Sale Astronomik 1.25" SII & OIII filters incl. CONUS Shipping


in Filters by Aaron Small

I just got these two filters with a filter wheel I bought from another CN member. I have not used them so can make no...

17 Apr 2019

Updated: 18 Apr 2019

Views: 102

UPDATED
$25.00

For Sale Meade Solar Filters for 50mm Binoculars "MADE IN USA"


in Filters by scopehed

Meade Solar Filters for 50mm Binoculars Fits 50 MM Binoculars (example) 7X50 10X50 etc. the inside diameter is 2-11/1...

17 Apr 2019

Views: 85


$65.00

For Sale Lumicon Deep Sky Filter 1.25"


in Filters by fred2000

Older Lumicon Deep Sky Filter 1.25" Good Condition. $65 including shipping. Paypal only please. CONUS

17 Apr 2019

Views: 72


$10.00

For Sale 3" sq unmounted dichromatic glass filter


in Filters by Littlegreenman

Condition: Looking straight on it has an amber color. At an angle it reflects various colors as seen in the pic, and...

17 Apr 2019

Updated: 18 Apr 2019

Views: 63

UPDATED
$700.00

For Sale Astrodon 50mm Round 5nm HA Filter


in Filters by rockstarbill

For sale is an Astrodon 50mm Round HA filter in 5nm. Comes with the protective sleeve and hard case. Filter is in goo...

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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