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Rosette Nebula in Emission-Line
Type Diffuse Nebula
Constellation Monoceros
Distance 5,500 ly
More Info
Date 03 Dec 2010 (Fall)
Place Little Blair Valley, Anza-Borrego Desert, CA
Exposure Data SII:Ha:OIII 60:120:60 mins @ -20C
SII 4x15 (2x2), Ha 8x15 (1x1), OIII 4x15 (bin 2x2) as RGB
Optics Celestron C11 Carbon Fiber SCT w/XLT
Focal Length 1700mm @f/6
Mount Astro-Physics 900GTO
Camera SBIG ST-10XME
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm SII, 3nm Ha, 6nm OIII
Software Maxim DL, CCDStack, Photoshop

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