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Part of the Soul Nebula in Emission-Line
Type Emission Nebula
Constellation Cassiopeia
Distance 7,500 ly
More Info
Date 20 Sep 2014 (Summer)
Place Palomar Mountain, CA
Exposure Data SII:Ha:OIII 90:180:90 mins @ -20C
SII 6x15, Ha 12x15, OIII 6x15 (bin 1x1) as RGB
Optics DSI RC10C Corrected RC Astrograph
Focal Length 1867mm @f/7.3
Mount Astro-Physics 900GTO
Camera FLI ML-6303E
Focuser Built-in Secondary Focuser
Filters FLI CFW2-7, Astrodon 3nm SII, Ha, OIII
Software Maxim DL, CCDStack, Photoshop

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