Imaging telescopes or lenses: Nikon Nikkor AF 180 mm f/2.8 ED
Imaging cameras: SBIG ST-10 XME
Guiding telescopes or lenses: Nikon Nikkor AF 180 mm f/2.8 ED
Guiding cameras: SBIG ST-10 XME
Software: CCDWare CCDStack
Resolution: 2085x1381
Dates: Nov. 4, 2011
Frames:
Astrodon H-alpha 5nm: 5x1800" bin 1x1
Astrodon OIII 3nm: 5x1800" bin 1x1
Integration: 5.0 hours
Avg. Moon age: 8.61 days
Avg. Moon phase: 62.92%
Bortle Dark-Sky Scale: 4.00
RA center: 20:51:22.052
DEC center: +30:38:40.669
Pixel scale: 7.80 arcsec/pixel
Orientation: -179.45 degrees
Field width: 4.52 degrees
Field height: 2.98 degrees
This is a false color image from narrow band Hydrogen alpha [Ha], and Oxygen III [OIII] filters.
Red = 5 x 30 minutes Ha
Green = 5 x 30 minutes [OIII]
Blue = Blend of [OIII] + 20% Ha
Optics: 180mm Nikon lens @ f/4
Camera: SBIG ST-10XME
Processing: CCDStack 2, Photoshop CS5