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Pacman Nebula in Emission-Line
NGC281
Object
Type Nebula
Constellation Cassiopeia
Distance 10,000 ly
More Info
Image
Date 29 Dec 2006 (Winter)
Place Carlsbad, CA
Exposure Data SII:Ha:OIII 165:285:165 mins @ -20C
SII 11x15, Ha 19x15, OIII 11x15 (bin 1x1) as RGB
Notes Astromart's Picture of the Day 1/19/2007
Ha also used as the Luminance layer
Equipment
Optics Takahashi FSQ-106N Refractor
Focal Length 530mm @f/5
Mount Celestron CGE
Camera SBIG ST-2000XM
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm SII, Ha, OIII
Software Maxim DL, Registar, Photoshop

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