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M 99
Messier 99 (also catalogued as NGC 4254) is a spiral galaxy approximately 50 million light-years away in the constellation Coma Berenices.
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Technical Details: |
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| Optics: | ASA N 12 Astrograph at /6.8 |
| Mount: | ASA DDM 85 |
| Camera: | SBIG STL-11000M |
| Filters: | Astronomik LRGB filter set |
| Dates/Times: | 23,24 April 2012 |
| Location: | Rozhen |
| Exposure Details: | L = 60 min, R = 30 min; G = 30 min; B = 30 min. |
| Subexposures: | 10 minutes |
| Acquisition: | CCD Soft |
| Processing: | PixInsight, Photoshop CS |