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Rosette Nebula in Emission-Line
NGC2237
Object
Type Diffuse Nebula
Constellation Monoceros
Distance 5,500 ly
More Info
Image
Date 03 Dec 2005 (Fall)
Place Carlsbad, CA
Exposure Data SII:Ha:OIII 45:105:45 mins @ -20C
SII 3x15 (bin 2x2), Ha 7x15 (bin 1x1), OIII 3x15 (bin 2x2) as RGB
Notes Multi-night image collection
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 SII, Ha, OIII
Software MaxIm DL 4, RegiStar, Photoshop cs