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Rosette Nebula in Emission-Line
NGC2237
Object
Type Diffuse Nebula
Constellation Monoceros
Distance 5,500 ly
More Info
Image
Date 16 Feb 2007 (Winter)
Place Carlsbad, CA
Exposure Data Ha:OIII:OIII 180:90:90 mins @ -20C
Ha 12x15, OIII 6x15 (bin 1x1) as RGB
Notes Ha also used as the Luminance layer
Equipment
Optics Takahashi FSQ-106N Refractor
Focal Length 530mm @f/5
Mount Celestron CGE
Camera SBIG ST-2000XM
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm Ha, OIII
Software MaxIm DL 4, RegiStar, Photoshop cs2

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