Wednesday, 6 April 2016

Messier 53 (NGC 5024) Globular Cluster

This cluster of over 500,000 stars is one of the more distant clusters known.
Imagine our galaxy as a flat disc and we are about a third of the way out from the centre.
M53 lies some 58,708 light years above (or to the north) of us and way above this disc.
Discovered in 1775 by Johann Elert Bode, its some 220 light years across and is about 12.67 million years old.
There are 158 know clusters in the milky way at present (I'm sure there are many more to be discovered that are currently hidden by are own galaxy) and at first glance they appear a bit boring, but when you look at them closely they are all different and are quite beautiful.

This image is made from 13 x 180 second exposures @ ISO 1600, stacked in Deepskystacker with 35 each of Darks, Lights and Bias frames.

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