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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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Today, 10:26 AM

Updated: Today, 10:33 AM

UPDATED
$180.00

For Sale Baader 2" round O-iii NB filter

in Filters by Noobulosity

Baader 2" round, threaded, O-iii narrowband 8.5nm CCD filter (standard, not high-speed). Filter is in excellent cond...

Today, 10:01 AM

$225.00

For Sale Astronomik 6nm H-alpha - EOS APS-C Clip Filter

in Filters by Noobulosity

Up for sale: Astronomik 6nm H-alpha EOS APS-C Clip Filter. It's been a great little filter, and it's in excellent co...

Today, 04:46 AM

$1.00

Wanted SIRIUS OPTICS MARS FILTER (2003)

in Filters by Marcus Roman

Hello, I'm looking for 2003 Sirius Optics Mars filter. Please, let me know if you have one to sell. Marco

Today, 01:02 AM

$70.00

For Sale Teleskop Service (TS) T2 Filter Changer and drawer

in Filters by imtl

Teleskop Service (TS) T2 Filter Changer and drawer price includes pp fee and shipping. thanks

Yesterday, 08:32 PM

$320.00

For Sale Astrodon 31 mm OIII 5 nm

in Filters by mhettrick

New. $ 320 + shipping. I'l cover the Paypal fee.

Yesterday, 05:43 PM

$50.00

For Sale Orion SCT Sky Glow Filter "MADE IN JAPAN"

in Filters by scopehed

Orion Sky Glow Filter "MADE IN JAPAN" get rid of some of the sky pollution for better deep sky object viewing. gives...

Yesterday, 04:14 PM

Sold!
$195.00

For Sale Lunt White Light Herschel Wedge

in Filters by BigBanger

For sale is a Lunt Solar Systems 2" White Light Herschel Wedge. In excellent, very clean condition. Sale includes i...

Yesterday, 03:34 PM

$125.00

For Sale Assorted 1.25 filters good set up

in Filters by Bozemandob

Only used a hand full of times before I purchased 2" eyepieces.Orion variable polarizing filterBaader ir-cut moon...

Yesterday, 01:59 PM

$1.00

Wanted Wanted: Baader Dialectric ERF 160mm

in Filters by Jacob.Redshift

Wanted: BAADER - D-ERF ENERGY REJECTION FILTER 160MM WITH IR-CUT DIELECTRIC COATING These are all seemingly on back...

Yesterday, 10:46 AM

Updated: Yesterday, 02:47 PM

Sold!
$295.00

For Sale Opt Triad Filter - All-in-one H-Beta, OIII, and H-Alpha bandpass filter

in Filters by BigBanger

For sale by original owner. This is the 1.25" model. Very lightly used (3-5 times) and in excellent condition. Optica...

Yesterday, 08:34 AM

$22.00

For Sale Lunar/Planetary 1.25" Filter Set with Cases

in Filters by JOEinCO

This is a set of six filters for lunar and planetary use. All are in excellent condition with great glass and undamag...

20 Aug 2019

$80.00

For Sale Xagyl First Gen 5x1.25 filter wheel

in Filters by bunyon

This wheel is about six years old. It's an ultrathin electronic wheel with five 1.25" slots. The wheel utilizes a USB...

20 Aug 2019

$75.00

For Sale [Reduced] Astronomik OWB Filter - Type 3 - EOS Clip

in Filters by Xing

This OWB filter will reset your modded Canon camera back to original white balance for daily use In excellent condit...

20 Aug 2019

$99.00

For Sale [Reduced ] Astronomik Filters OIII CCD EOS clip filter

in Filters by Xing

This is a 12nm OIII CCD filter for Canon camera In excellent condition. Asking $99 plus $4 shipping to CONUS. Paypal...

19 Aug 2019

Sold!
$65.00

For Sale 1.25" Filters: Baader Contrast Booster; Lumicon UHC; Unbranded + Case

in Filters by John Verderame

Three filters, one cheap price for all, plus plastic storage case. I'm using 2" filters now and these have just been...

19 Aug 2019

Sold!
$140.00

For Sale ZWO Mini Electronic Filter Wheel (EFW) - 5 x 1.25″ or 5 x 31mm

in Filters by Sevo

ZWO Mini Electronic Filter Wheel (EFW) - 5 x 1.25″ or 5 x 31mm I`m selling ZWO 5-Position USB Electronic Filter Wheel...

18 Aug 2019

Sold!
$12.00

For Sale Orion 1.25" Moon filters

in Filters by msc8

Sold off my AP refractor and cleaning up the accessories 1.25" Orion Moon Filters. One is branded the other not. I...

18 Aug 2019

Sold!
$55.00

For Sale 1.25" Orion Ultrablock filter

in Filters by msc8

Sold off my AP refractor and cleaning up the accessories 1.25" Orion Ultrablock Filter, great shape $55 shipped CONUS...

18 Aug 2019

$40.00

For Sale 1.25" Orion Sky Glow Filter

in Filters by msc8

Sold off my AP refractor and cleaning up the accessories 1.25" Orion Sky Glo Filter in great condition $40 shipped CO...

18 Aug 2019

Sold!
$55.00

For Sale Baader Neodynium Moon and Skyglow Filter 1.25"

in Filters by msc8

Sold off my AP refractor and cleaning up the accessories 1.25" Baader Neodynium Moon and Skyglow filter with IR cut i...

18 Aug 2019

Sold!
$60.00

For Sale Televue Bandmate Mars Type A Filter

in Filters by msc8

Sold off my AP refractor and cleaning up the accessories 1.25" Televue Bandmate Mars Type A Filter, brings out deta...

18 Aug 2019

Offer Pending
$180.00

For Sale Astronomik CLS-CCD 2" Filter (Like New) 6 weeks old

in Filters by thebutcher

Up for sale is my recently purchased Astronomik CLS-CCD 2" Filter. I purchased this on June 26th 2019 and is only a b...

18 Aug 2019

Updated: 19 Aug 2019

Sold!
$85.00

For Sale Astronomik EOS CLS clip-in filter

in Filters by zini

Astronomik CLS EOS clip-in filter in excellent condition w/case. I'll cover shipping, conus only.

18 Aug 2019

Sold!
$100.00

For Sale Nautilus 7 port USB FW (1.25")

in Filters by jmelquist

7 x 1.25" Orion Nautilus Filter Wheel - Power and data are supplied by the included USB2.0 cable. Allows completely...

18 Aug 2019

$25.00

For Sale 1.25" CLS Filter

in Filters by David Moulton

Generic CLS 1.25" filter. Has been used only a couple of times. Works fine, I just don't need it. Price includes shi...

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.

Astronomics discounts for Cloudy Nights members

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.

Filters

For Sale Baader 2" round O-iii NB filter

For Sale Astronomik 6nm H-alpha - EOS APS-C Clip Filter

Wanted SIRIUS OPTICS MARS FILTER (2003)

For Sale Teleskop Service (TS) T2 Filter Changer and drawer

For Sale Astrodon 31 mm OIII 5 nm

For Sale Orion SCT Sky Glow Filter "MADE IN JAPAN"

For Sale Lunt White Light Herschel Wedge

For Sale Assorted 1.25 filters good set up

Wanted Wanted: Baader Dialectric ERF 160mm

For Sale Opt Triad Filter - All-in-one H-Beta, OIII, and H-Alpha bandpass filter

For Sale Lunar/Planetary 1.25" Filter Set with Cases

For Sale Xagyl First Gen 5x1.25 filter wheel

For Sale [Reduced] Astronomik OWB Filter - Type 3 - EOS Clip

For Sale [Reduced ] Astronomik Filters OIII CCD EOS clip filter

For Sale 1.25" Filters: Baader Contrast Booster; Lumicon UHC; Unbranded + Case

For Sale ZWO Mini Electronic Filter Wheel (EFW) - 5 x 1.25″ or 5 x 31mm

For Sale Orion 1.25" Moon filters

For Sale 1.25" Orion Ultrablock filter

For Sale 1.25" Orion Sky Glow Filter

For Sale Baader Neodynium Moon and Skyglow Filter 1.25"

For Sale Televue Bandmate Mars Type A Filter

For Sale Astronomik CLS-CCD 2" Filter (Like New) 6 weeks old

For Sale Astronomik EOS CLS clip-in filter

For Sale Nautilus 7 port USB FW (1.25")

For Sale 1.25" CLS Filter

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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