| 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 980mm. |
| 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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