M81 in Ursa Major
M81 in Ursa Major |
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M81: Bode's Galaxy |
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Object Data |
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| Object type: | Galaxy | ||
| Size: | 27 x 14 arc min | ||
| Magnitude: | 6.9 | ||
| Constellation: | Ursa Maj | ||
| Distance: | 12 Million light years | ||
| Notes: |
This image included 3 hrs of hydrogen alpha to isolate the abundant emission
nebula in the spiral arms, associated with star formation. |
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| Astrobin Tech Page |
For my Astrobin page spec sheet click here
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Exposure Data |
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| Date: | 12/10-12/11/25 | ||
| Location: | Lockwood Observatories, Descanso, CA ; Imaged remotely over two nights | ||
| Telescope: | DSI RC10c; fl 1867; f/7.3 | ||
| Camera: | FLI 6303 with Astrodon filters | ||
| Mount: | AP 1100 CP3 | ||
| Exposure times: | 3nm Astrodon Ha filter: 12 x 15 min;
Lum: 33 x 5min, Red, 11x 5 min, Green 8x 5 min; blue, 8x5 min |
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| Exposure time total: | 8 hours | ||
| Notes: |
FOV = 46.8 x 34 arc min Image scale = 0.99"/pixel |
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