The Messier Ten Minute Challenge

M5 - Globular Cluster in Serpens

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This image was created by median combining 7 x 90 second unfiltered images taken with a Takahashi Epsilon 250 with SBIG ST-8XE CCD. The image has been cut down to be 20 x 20 arc minutes in size.

Messier 5 (NGC 5904) was first seen by Kirch in May 1702 and Charles Messier found it independently in May 1764. He described it as a round nebula which "doesn't contain any stars". M5 is thought to be one of the oldest globular clusters - 13 billion years - and one of the largest with a diameter of 165 light years.

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In collaboration with the Remote Astronomical Society Observatory

Martin Nicholson - Daventry, United Kingdom.

This page was last updated on April 15th 2009.