M 51 Whirpool Galaxy & NGC 5195
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The Whirlpool Galaxy or 51 is a spiral galaxy located at a distance of approximately 31 million light-years from the earth in the constellation Canes Venatici. It is one of the most famous galaxies in the sky. The galaxy and its companion (NGC 5195) are easily observed by amateur astronomers, and the two galaxies may even be seen with binoculars. |
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Location / Date |
Mauna Keratea Obs 6-8/02/2011 |
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Τelescope |
GSO RC10" Ritchey Cretien 2000mm f8 |
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Mount |
Ioptron IEQ 45 |
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Camera |
QHY9 KAF 8300 mono CCD, Temp -25 C |
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Filters / Exposures |
Lum 29x600 sec bin 2x, RGB 12x300 bin2 per eatch filter |
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Total exposure time |
8 ~ hours σε 3 days |
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Software |
Nebulosity 2, Deep Sky Stacker, PixInsight, Photoshop CS5 |
