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Horsehead Nebula (B33)
IC434
Object
Type Dark Nebula
Constellation Orion
Distance 1,600 ly
More Info
Image
Date 2-Sep-2016 (Summer)
Place Palomar Mountain, CA
Exposure Data Ha 45 mins @ -25C
Ha 3x15 (bin 1x1)
Notes
Equipment
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 Ha
Software Maxim DL, CCDStack, Photoshop

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