M 101 - Pinwheel Galaxy
M 101 - Pinwheel Galaxy |
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Object data of M101 |
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| Object type: | galaxy (SBc) | |
| Size: | 28' | |
| Magnitude: | 8.2 mag | |
| Constellation: | UMa | |
| Distance: | 22 Mio Ly | |
| Notes: |
The alternate name of the big face on galaxy M101 in constellation UMa is 'Pinwheel Galaxy', because of it's grand spiral arms. M101 is a huge galaxy with a visible diameter of 170,000 light years. Many HII regions are visible along the spiral arms. |
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Exposure data |
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| Date: | 2009-05-27 + 2009-06-13+17 | |
| Location: | Nussbach / Austria (400m) | |
| Telescope: | 12" Newtonian telescope (f=1120mm) | |
| Camera: | ST2000XM with CFW8 and Baader Filters | |
| Binning: | L 1x1 / RGB 2x2 | |
| Exposure time: | L 27x12m / R 11x8m / G 11x8m / B 11x8m | |
| Exposure time total: | 9h 48m | |
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