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Crescent Nebula
NGC6888
Object
Type Supernova Remnant
Constellation Cygnus
Distance 5,000 ly
More Info
Image
Date 23 Nov 2004 (Fall)
Place Carlsbad, CA
Exposure Data HaRGB 50:50:40:50 mins @ -20C
Ha 5x10 (bin 1x1), R 5x10, G 4x10, B 5x10 (bin 2x2)
Notes
Equipment
Optics Celestron C11 Carbon Fiber SCT w/XLT
Focal Length 1764mm @f/6.3
Mount Celestron CGE
Camera SBIG ST-2000XM
Focuser Optec TCF-S
Filters CFW8A, SBIG LRGB, Astronomik 13nm Ha
Software CCDSoft 5, Photoshop cs

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