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NGC2903

Classification: Spiral Galaxy / Barred Spiral Galaxy
Constellation: Leo
Object Location: Ra 09h 33m 01s Dec +21° 25’47° (current)
Size & Distance: 12.6 x 6 Apx 20 Million light-years.

Date & Location: 02-12/13-2010 Little Blair Valley, CA.
Exposure: LRGB L=3@10min, 7@15min. RGB=4ea. @15min, all (bin 1x1)
Optics: Telescope Engineering Company APO140ED @ f/7 F/L 940mm.
Mount: Astro-Physics 900 GTO / ATS 10x36 Pier
Camera: SBIG-ST10XME @-20c / Q85 SBIG-RGH
Filters: Astrodon G2 LRGB
Software: MaxImDL 4.56, CCDStack, Photoshop CS, Topaz Lab.

Notes: Sky conditions: Above average seeing, no winds, mid 40’s
Image Field of view is 51 x 34 arcmin.
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NGC 2903 is a barred spiral galaxy about 20 million light-years away in the constellation Leo. It was discovered by William Herschel who cataloged it on November 16, 1784. 
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