Galaxy Messier 81 in Ursa Major
[ NED, Image Server]
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| Exposure date | 25.12.2008 | ||
| Camera | Artemis 4021 | ||
| Instrument | 8" Photo Newton | ||
| Mount | Gemini 41 | ||
| Filters | Baader LRGB Filterset | ||
| Exposure time |
(LxRxGxB) (6x4x4x4) X 600 s + (12x3x3x3) x 300s all 1x1 binned. total 4H 45 min. |
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| Image Orientation | North is up, east ist left |
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| Datareduction and image processing |
THELI, PHOTOSHOP | ||
| Imaging conditions | extremly cold. Seeing 6/10. Very good transparency. Focus not perfekt. |
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| Object data | Galaxy |
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| Distance to sun |
ca. 11,8 million Ly |
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| Description |
First Light of my new CCD camera Artemis 4021. I think it's pretty good for the first light image. |



