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M 51 Whirpool Galaxy & NGC 5195

 

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.

M51 Whirpool Galaxy

Location / Date

Mauna Keratea Obs 6-8/02/2011

Τelescope

GSO RC10" Ritchey Cretien 2000mm f8

Mount

Ioptron IEQ 45

Camera

QHY9 KAF 8300 mono CCD, Temp -25 C

Filters / Exposures

Lum 29x600 sec bin 2x, RGB 12x300 bin2 per eatch filter

Total exposure time

8 ~ hours σε 3 days

Software

Nebulosity 2, Deep Sky Stacker, PixInsight, Photoshop CS5

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