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Pacman Nebula in Emission-Line
NGC281
Object
Type Nebula
Constellation Cassiopeia
Distance 10,000 ly
More Info
Image
Date 05 Sep 2013 (Summer)
Place Carlsbad, CA
Exposure Data Ha 180 mins @ -20C
Ha 9x20 (bin 2x2)
Notes Image scale of 1.2 arcsec/pix
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 Ha
Software Maxim DL, CCDStack, Photoshop

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