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Crescent Nebula in Emission-Line
Type Supernova Remnant
Constellation Cygnus
Distance 5,000 ly
More Info
Date 28 Oct 2006 (Fall)
Place Carlsbad, CA
Exposure Data SII:Ha:OIII 60:90:60 mins @ -15C
SII 4x15, Ha 6x15, OIII 4x15 (bin 1x1) as RGB
Notes Astromart's Picture of the Day 6/2/2007
Optics Takahashi FSQ-106N Refractor
Focal Length 530mm @f/5
Mount Celestron CGE
Camera SBIG ST-2000XM
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm SII, Ha, OIII
Software Maxim DL, RegiStar, Photoshop