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Pelican Nebula in Emission-Line
Type Nebula
Constellation Cygnus
Distance 1,800 ly
More Info
Date 25 Jul 2007 (Summer)
Place Carlsbad, CA
Exposure Data SII:Ha:OIII 75:180:75 mins @ -20C
SII 4x15 (bin 2x2), Ha 12x10 4x900 (bin 1x1) , OIII 5x15 (bin 2x2) as RGB
Notes Imaged over 4 nights in less than ideal conditions
Optics Vixen VC200L Corrected Reflector
Focal Length 1280mm @f/6.4
Mount Astro-Physics 900GTO
Camera SBIG ST-2000XM
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm SII, Ha, OIII
Software Maxim DL, Photoshop