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Pelican Nebula in Emission-Line
Type Nebula
Constellation Cygnus
Distance 1,800 ly
More Info
Date 19 Oct 2007 (Fall)
Place Carlsbad, CA
Exposure Data SII:Ha:OIII 135:195:135 mins @ -15C
SII 9x15, Ha 13x15, OIII 9x15 (bin 1x1) as RGB
Notes Imaged over multiple nights
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 CCD Commander, Maxim DL, Photoshop

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