http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/ en-us Gallery 2 RSS Module, version 1.1.8 Fri, 08 May 2026 16:27:01 +0000 120 http://gallery.cuttinedgeobservatory.com/d/770-3/M45.jpg http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/ http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/IC-349_Lum_Test.jpg.html http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/IC-349_Lum_Test.jpg.html ]]> Chris Johnson photo Wed, 28 Oct 2009 01:03:18 +0000 http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/M45_Lum-Scaled-Pushed.jpg.html http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/M45_Lum-Scaled-Pushed.jpg.html ]]> Chris Johnson photo Tue, 29 Sep 2009 19:37:03 +0000 http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/M45_LRGB-Publish_CN.jpg.html http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/M45_LRGB-Publish_CN.jpg.html
Exposure
- LRGB 180:60:60:60
- L 5min subs @ bin1x1
- RGB 5min subs @ bin2x2
- 6 hours total exposure

Equipment Used
- Takahashi FSQ-106ED
- SBIG STL-11000M
- Paramount ME
- Astrodon Gen 2 Filters]]> Chris Johnson photo Thu, 29 Oct 2009 05:22:25 +0000 http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/M45_LRGB-Publish.jpg.html http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/M45_LRGB-Publish.jpg.html
Exposure
- LRGB 180:60:60:60
- L 5min subs @ bin1x1
- RGB 5min subs @ bin2x2
- 6 hours total exposure

Equipment Used
- Takahashi FSQ-106ED
- SBIG STL-11000M
- Paramount ME
- Astrodon Gen 2 Filters]]> Chris Johnson photo Thu, 29 Oct 2009 05:12:40 +0000 http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/M45_Lum_Astrodon_Test.jpg.html http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/M45_Lum_Astrodon_Test.jpg.html
Single 600s Lum shot. Halo test for the new Astrodon Gen 2 filters.]]> Chris Johnson photo Fri, 05 Dec 2008 21:49:37 +0000 http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/M45_stl1.jpg.html http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/M45_stl1.jpg.html
The Seven Sisters

Exposure
- LRGB 120:20:20:20
- L 15min subs @ bin1x1
- RGB 5min subs @ bin2x2
- 3 hours total exposure

Equipment Used
- Tele Vue NP-127is
- SBIG STL-11000M
- Paramount ME
- Custom Scientific LRGB Filters

Processing in CCDStack

Final processing Photoshop CS3
100% Center Crop - No Resize

Shot at Fall 2008 All-Arizona Star Party]]> Chris Johnson photo Fri, 05 Dec 2008 20:41:11 +0000 http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/m45+m25c.jpg.html http://gallery.cuttinedgeobservatory.com/v/openclusters/M45/m45+m25c.jpg.html
Pleiades - The Seven Sisters

Exposure
- 6 x 10 minute sub exposures
- 1 hour total exposure
- Please forgive the noise. I will add more subs later this year.

Equipment Used
- Tele Vue NP-127is
- Starlight Xpress SVXF-M25C
- Paramount ME
- Hutech UV/IR Cut Filter

Processing
CCDStack
1) Calibration with flats and bias frames
2) Debayer
3) Image registration
4) Normalization (Auto)
5) Data rejection (STD sigma)
6) Median combine

Photoshop CS3:
1) Slight Color Enhancement
2) Save as JPG 100%]]> Chris Johnson photo Sun, 07 Dec 2008 19:19:22 +0000