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Swan Nebula in Emission-Line
M17
Object
Type Diffuse Nebula
Constellation Sagittarius
Distance 5,000 ly
More Info
Image
Date 10-Jul-2010 (Summer)
Place Palomar Mountain, CA
Exposure Data SII:Ha:OIII 90:90:90 mins @ -10C
SII 9x10, Ha 9x10, OIII 9x10 (bin 1x1) as RGB
Notes
Equipment
Optics Takahashi MT200 Newtonian
Focal Length 960mm @f/4.8
Mount Astro-Physics 900GTO
Camera SBIG ST-10XME
Focuser TAK MEF-1
Filters CFW10A, Astrodon 6nm SII, 3nm Ha, 6nm OIII
Software Maxim DL, CCDStack, Photoshop

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