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NGC 2403 is a spiral galaxy in Camelopardalis. It is about 50,000 light years in diameter and is about 8 million light years away. Its blue color and H2 regions bear a striking resemblance to M33.
January 27-30, 2012
Location: Rancho Hidalgo, NM
Telescope: TEC-140 (F7)
Camera: SBIG ST-8300M
Mount: AP900 GTO
Luminance: 24x10 minutes (binned 1x1)
Red: 9x10 minutes (binned 2x2)
Green: 9x10 minutes (binned 2x2)
Blue: 9x10 minutes (binned 2x2)