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Messier 37 also known NGC 2099 is the richest open cluster in the constellation Auriga. It is the brightest of three open clusters in Auriga and was discovered by the Italian astronomer Giovanni Battista Hodierna before 1654. M37 is located in the antipodal direction, opposite from the Galactic Center as seen from Earth. Estimates of its age range from 347 million to 550 million years. At its estimated distance of around 4,500 light-years from Earth. |
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Location / Exposure Date |
Mauna Keratea Obs February 2013 |
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Telescope |
TS 130/780 Triplet APO f6 |
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mount |
Celestron CGE Pro Mount |
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Camera |
QHY9 CCD |
| Guiding |
60/230mm Lunatico's Guidescope , QHY5L II, PHD Guide |
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Filters / Exposures |
L 20x180 sec bin 1x, RGB 12x180 bin 1x |
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Total Exposure time |
3 ~ Hours |
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Software |
Nebulosity 3, Maxim DL, Pixinshight, Photoshop CS6. |
