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Pacman Nebula in Emission-Line
NGC281
Object
Type Nebula
Constellation Cassiopeia
Distance 10,000 ly
More Info
Image
Date 5-Oct-2013 (Fall)
Place Carlsbad, CA
Exposure Data SII:Ha:OIII 200:180:200 mins @ -20C
SII 10x20, Ha 9x20, OIII 10x20 (bin 2x2) as RGB
Notes Ha was collected on a different night.
Equipment
Optics DSI RC10C Corrected RC Astrograph
Focal Length 1867mm @f/7.3
Mount Astro-Physics 900GTO
Camera QSI 683wsg-8
Focuser Built-in Secondary Focuser
Filters Astrodon 3nm SII, NII, Ha
Software MaxIm DL, CCDStack, Photoshop

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