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Pacman Nebula in Emission-Line
NGC281
Object
Type Nebula
Constellation Cassiopeia
Distance 10,000 ly
More Info
Image
Date 25 Jul 2009 (Summer)
Place Palomar Mountain, CA
Exposure Data SII:Ha:OIII 60:160:60 mins @ -10C
SII 6x10, Ha 16x10, OIII 6x10 (bin 1x1) as RGB
Notes
Equipment
Optics Takahashi MT200 Newtonian
Focal Length 960mm @f/4.8
Mount Astro-Physics 900GTO
Camera SBIG ST-10XME
Focuser TAK MEF-1
Filters CFW10A, Astrodon 6nm SII, 3nm Ha, 6nm OIII
Software MaxIm DL, CCDStack, Photoshop

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