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Horsehead Nebula (B33)
IC434
Object
Type Dark Nebula
Constellation Orion
Distance 1,600 ly
Magnitude
Angular Size 6x4 arc min
Size
More Info  SEDSAPODEssay by Robert Gendler ©
Image
Date 12/15/2007
Place Carlsbad, CA
Exposure Data Ha 180 mins @ -20C
Ha 12x15 (bin 1x1)
Notes
Equipment
Optics Vixen VC200L
Focal Length 1800mm @f/9
Mount Astro-Physics 900GTO
Camera SBIG ST-2000XM (KAI-2020M)
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm Ha
Software CCD Commander, Maxim DL, CCDStack, Photoshop

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