http://gallery.cuttinedgeobservatory.com/v/nebulae/ngc7000-stl11k_001.jpg/ en-us Gallery 2 RSS Module, version 1.1.8 Sat, 02 May 2026 16:28:45 +0000 120 http://gallery.cuttinedgeobservatory.com/d/686-4/ngc7000-stl11k_001.jpg.jpg http://gallery.cuttinedgeobservatory.com/v/nebulae/ngc7000-stl11k_001.jpg/ http://gallery.cuttinedgeobservatory.com/v/nebulae/ngc7000-stl11k_001.jpg/NGC7000_Ha.jpg.html http://gallery.cuttinedgeobservatory.com/v/nebulae/ngc7000-stl11k_001.jpg/NGC7000_Ha.jpg.html
NGC 7000
The North American Nebula

Exposure
- 13x15-minute sub exposures
- 3.25 hours total exposure

Equipment Used
- Takahashi FSQ-106ED
- SBIG STL-11000M
- Paramount ME
- Astrodon 5nm Ha]]> Chris Johnson photo Fri, 10 Jul 2009 00:00:54 +0000 http://gallery.cuttinedgeobservatory.com/v/nebulae/ngc7000-stl11k_001.jpg/ngc7000-stl11k.jpg.html http://gallery.cuttinedgeobservatory.com/v/nebulae/ngc7000-stl11k_001.jpg/ngc7000-stl11k.jpg.html
The North American Nebula

Exposure
- 2x30-minute sub exposures unguided
- 60 minutes total exposure

Equipment Used
- Tele Vue NP-127is
- SBIG STL-11000M
- Paramount ME
- Astronomik 6nm Ha Filter

Processing
CCDStack
1) Calibration with darks
2) Image registration
3) Maximum Combine

Photoshop CS3:
1) Slight Curves Enhancement
2) Save as JPG Maximum Quality]]> Chris Johnson photo Wed, 24 Dec 2008 00:42:08 +0000 http://gallery.cuttinedgeobservatory.com/v/nebulae/ngc7000-stl11k_001.jpg/HaNGC7000.png.html http://gallery.cuttinedgeobservatory.com/v/nebulae/ngc7000-stl11k_001.jpg/HaNGC7000.png.html
The North American Nebula

Exposure
- 6x10-minute sub exposures
- 60 minutes total exposure

Equipment Used
- Tele Vue NP-127is
- Starlight Xpress SVXF-M25C
- Paramount ME
- Astronomik 6nm Ha Filter

Processing
CCDStack
1) Calibration with flats and bias frames
2) Debayer into Red Channel Only
3) Image registration
4) Normalization (Auto)
5) Data rejection (STD sigma)
6) Median combine
7) Deconvolution, Positive Constraint, 50 interations

Photoshop CS3:
1) Slight Curves Enhancement
2) Save as PNG-24]]> Chris Johnson photo Fri, 05 Dec 2008 20:44:38 +0000 http://gallery.cuttinedgeobservatory.com/v/nebulae/ngc7000-stl11k_001.jpg/ngc7000.html http://gallery.cuttinedgeobservatory.com/v/nebulae/ngc7000-stl11k_001.jpg/ngc7000.html
The North American Nebula

Exposure
- 7x5-minute sub exposures
- 35 minutes total exposure

Equipment Used
- Tele Vue NP-127is
- Starlight Xpress SVXF-M25C
- Celestron CGE
- Tele Vue Focusmaster Focuser
- Tele Vue TV-60is as guide scope
- Hutech UV/IR Cut Filter

Processing
CCDStack
1) Calibration with flats and bias frames
2) Debayer into single RGB frames
3) Image registration
4) Normalization (Auto)
5) Data rejection (STD sigma)
6) Median combine
7) Deconvolution, Positive Constraint, 50 interations

Photoshop CS3:
1) Noel Carboni 'Enhance DSO and Reduce Stars'
2) Color adjustments
3) Save as JPG 100% Quality]]> Chris Johnson photo Fri, 05 Dec 2008 20:44:16 +0000