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Swan Nebula in Emission-Line
M17
Object
Type Diffuse Nebula
Constellation Sagittarius
Distance 5,000 ly
More Info
Image
Date 10 Sep 2007 (Summer)
Place Carlsbad, CA
Exposure Data SII:Ha:OIII 60:60:60 mins @ -10C
SII 4x15, Ha 4x15, OIII 4x15 (bin 1x1) as RGB
Notes
Equipment
Optics Takahashi FSQ-106N Refractor
Focal Length 530mm @f/5
Mount Astro-Physics 900GTO
Camera SBIG ST-2000XM
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm SII, Ha, OIII
Software Maxim DL, CCDStack, Photoshop

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