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Horsehead Nebula
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 11/24/2007
Place Carlsbad, CA
Exposure Data Ha 225 mins @ -20C
Ha 15x15 (bin 1x1)
Notes
Equipment
Optics Takahashi FS-60C Refractor
Focal Length 285mm @f/4.7
Mount Astro-Physics 900GTO
Camera SBIG ST-2000XM (KAI-2020M)
Focuser
Filters CFW10A, Astrodon 6nm Ha
Software CCD Commander, MaxIm DL 4, CCDStack, Photoshop cs3

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