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06 Jul 2020

Views: 262

Sold!
$800.00

For Sale Opt triad ultra 2” quadband filter


By: cbulik99 Location: San antonio

This filter has never been used. I am selling it along with my 294 to upgrade to a mono camera. You can check the p...

22 Oct 2019

Views: 318

Sold!
$800.00

For Sale Daystar Quark Chromosphere Filter NITB


By: stellartom Location: Az.

Took the filter out to take pics. Never used. Includes UV/IR Cut filter.The Daystar Quark Chromosphere model is optim...

01 Feb 2020

Updated: 02 Feb 2020

Views: 231

Sold!
$800.00

For Sale Astrodon 31mm Filters


By: brownewell Location: New Mexico

Astrodon 31mm E-Series 2 LRGB set with an Astronomics 31mm 12nm H-Alpha. Set is loaded in a QSI-583 camera, camera do...

08 Oct 2020

Updated: 02 Nov 2020

Views: 167

UPDATED
$800.00

For Sale Thousand Oaks Filters


By: Trishyness Location: North Jersey

I have the following filters available for sale. If you'd like to purchase all of them I will sell them at $800. Othe...

08 Nov 2020

Views: 75

Sold!
$800.00

For Sale chroma lrgb 2” brand new


By: 1onica Location: new

2” chroma lrgb brand new bought from opt and never used :)

28 Aug 2019

Views: 352

Sold!
$799.00

For Sale Daystar Quark (Chromosphere Edition)


By: FelixDaCat Location: MI

Up for sale is a DayStar Quark (Chromosphere) in great condition! This filter was only used a few times and provides...

26 Jul 2017

Views: 332

Sold!
$795.00

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 $795 shipped to CONUS. P...

19 Nov 2019

Views: 236

Sold!
$795.00

For Sale OPT Triad Ultra 2 Narrowband Color Filter 2-Inch


By: smolony Location: La

This is the expensive Triad Filter. It's the Triad Ultra and retails for $1075.00 It works great for OSC cameras and...

05 Aug 2017

Views: 506

Sold!
$794.50

For Sale DayStar H-Alpha, T-Scanner .6 A filter – Good Condition!


By: W8TU Location: Plymouth, MI

I have for sale a DayStar H-Alpha T-Scanner Filter with a .6 Angstrom Bandpass in Good Condition. . The msrp for the...

13 Jun 2020

Views: 160

Sold!
$775.00

For Sale ASI EFW 8 Position with LRGB and Narrowband 31mm filters


By: kevindt Location: California

ZWO 8-position electronic filter wheel for 1.25" mounted filters or 31 mm unmounted ones. Fully populated with the 31...

24 Jul 2018

Views: 552

Offer Pending
$775.00

For Sale BUILD YOUR OWN DAYSTAR HA SOLAR SCOPES


By: Paul Winn Location: 93436

BUILD YOUR OWN HA SOLAR SCOPES. I have a 2 DayStar Energy Rejection Filters for sale and the DayStar T-Scanner Days...

21 Mar 2018

Views: 289

Sold!
$750.00

For Sale For Sale: Baader LRGB+NB 36mm unmounted


By: hemant Location: Plano, TX

I am selling a complete set of Baader 36mm round unmounted filters - LRGB, Ha 7nm, OIII 8.5nm, SII 8nm. Bought under...

07 Nov 2020

Updated: 22 Nov 2020

Views: 140

UPDATED
$750.00

For Sale ZWO 36mm LRGBHaS2 (sold) and Chroma 36mm 3nm O3 filters


By: astrojjj Location: Austin, TX

6 ZWO 36mm filters, LRGBHaS2 (no O3) $250 -- SOLD chroma 36mm 3nm O3 filter, bought new last year, $500 like new co...

16 Feb 2020

Views: 183


$750.00

For Sale Baader Highspeed F/2 Narrowband Filter Set 50mm Unmounted


By: smccully Location: Florida

Selling my Baader Narrowband Highspeed Filter set, switched to square filters to reduce vignetting on my Fullframe ca...

10 Jun 2019

Views: 188

Sold!
$750.00

For Sale Baader 50.4mm round LRGB, Ha, SII, OIII CCD filter set


By: Robert Price Location: triangle VA

Like new condition, includes shipping CONUS and PP fee. LRGB, Ha, SII, OIII all for $750

05 Jun 2020

Views: 126


$750.00

Wanted Looking for Baader 2" Mounted High Speed Filters


By: Noro Location: Ohio

Looking for Baader 2" Mounted High Speed Filters. Will pay cash or trade with my ASI 294MC Pro.

20 Oct 2020

Views: 164


$700.00

For Sale Chroma 31mm round unmounted narrowband filters - Ha, S2, O3


By: deepanshu29 Location: San Jose

Selling my barely used Chroma 31mm round unmounted narrowband filters. Filters included are H - alpha, Sulphur 2 and...

20 May 2018

Views: 294

Sold!
$700.00

For Sale ZWO 7 Wheel with LRGB & Narrowband


By: 13rannon Location: Washington State

Comes with everything that would be in the box, the cord and adapters aren't pictured but will be included. The wheel...

29 Mar 2020

Views: 265

Sold!
$700.00

For Sale Optolong Triad Ultra 1.25" Quad Band Narrow Filter


By: thekubiaks Location: Louisville, KY

Flawless Optolong Triad Ultra 1.25" Quad Band Narrow Filter. If you have a OSC camera, this will do a fantastic job...

22 Sep 2020

Views: 152

Sold!
$700.00

For Sale Astronomik 6nm HA and OIII filters


By: Rhodey Location: Phoenix, AZ

Astronomik 6nm HA and OIII 2" mounted filters for sale. Both are in excellent condition with no issues. $700 togeth...

05 Aug 2020

Views: 190

Sold!
$700.00

For Sale RADIAN TELESCOPES 1.25" TRIAD ULTRA QUAD-BAND NARROWBAND FILTER


By: Ken Hugill Location: Minneapolis,MN

RADIAN TELESCOPES 1.25" TRIAD ULTRA QUAD-BAND NARROWBAND FILTER Shoot in any light-polluted area H-beta, OIII, H-alp...

13 Mar 2020

Updated: 13 Mar 2020

Views: 356

Sold!
$700.00

For Sale OPT Triad Ultra 2" Quad shipped


By: GIFTED1570 Location: NV

OPT Triad Ultra Quad 2" shipped, the best osc filter in the world, perfect conditions, used 3 times.

19 Apr 2020

Views: 168

Sold!
$700.00

For Sale LRGB-E50R Astrodon 2” unmounted LRGB filter set


By: Bill Richards Location: Hawaii

Installed in a filter wheel, but never used. Were never outside. I'll pay shipping.

19 Apr 2020

Views: 116

Sold!
$700.00

For Sale HA3-50R Astrodon 2” Ha 3nm unmounted filter


By: Bill Richards Location: Hawaii

Installed in a filter wheel, but never used, was never outside. I'll pay shipping.

24 Dec 2019

Views: 262

Offer Pending
$700.00

For Sale Baader LRGB and NarrowBand Filter Set


By: smccully Location: Florida

Selling my Baader LRGB and NarrowBand Filter Set. These are the 50mm unmounted filters. Filters were used in my 7 pos...

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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