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Bubble Nebula in Emission-Line
NGC7635
Object
Type Planetary Nebula
Constellation Cassiopeia
Distance 11,000 ly
More Info
Image
Date 18 Aug 2007 (Summer)
Place Carlsbad, CA
Exposure Data SII:Ha:OIII 180:90:90 mins @ -10C
SII 6x15 (bin 2x2), Ha 12x15 (bin 1x1), OIII 6x15 (bin 2x2) as RGB
Notes Imaged over multiple nights
Equipment
Optics Vixen VC200L Corrected Reflector
Focal Length 1764mm @f/6.3
Mount Astro-Physics 900GTO
Camera SBIG ST-2000XM
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm SII, Ha, OIII
Software Maxim DL, Photoshop

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