Messier 99 (mouse over shows names)
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Object data |
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Object type: |
M 99 (NGC 4254) |
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Size object : |
5.3x4.6 arcmin. |
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Magnitude: |
9.9 |
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Constellation: |
Coma Berenices |
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Distance: |
55 x 10^6 LY |
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Exposure data |
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Date, time |
2011-04-22 ~01.15 hour |
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Julian day number |
2455 674 |
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Location: |
Zuidlaren, Holland |
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Telescope: |
Takahashi FQS106ED + 1,7x extender Q (f8) |
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Camera: |
Canon 350d (mod) |
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Filters: |
L: 6x600 s |
| R: | |
| G: | |
| B: | |
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Temperature outside: |
+17 0C |
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Temperature CCD: |
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| SQM: | 20.30 |
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Binning: |
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| Field of view: | 89´x57´ |
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Imaged by: |
Gerard van den Braak |
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Processing tools: |
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Notes: |
crop, bad transparency |