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Pacman Nebula in Emission-Line
NGC281
Object
Type Nebula
Constellation Cassiopeia
Distance 10,000 ly
More Info
Image
Date 12-Oct-2012 (Fall)
Place Palomar Mountain, CA
Exposure Data SII:Ha:OIII 180:180:180 mins @ -20C
SII 9x20, Ha 9x20, OIII 9x20 (bin 1x1) as RGB
Notes Ha also used as the Luminance layer
Equipment
Optics Takahashi FSQ-106N Refractor
Focal Length 530mm @f/5
Mount Astro-Physics 900GTO
Camera SBIG ST-10XME
Focuser Robo-Focus
Filters CFW10A, Astrodon 3nm SII, Ha, OIII
Software Maxim DL, CCDStack, Photoshop

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