The Messier Ten Minute Challenge

M11 - Open Cluster in Scutum

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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.

M11 (NGC 6705) is one the richest open clusters - it is said that an astronomer at the centre of M11 would see hundreds of first magnitude stars. The age of the cluster has been estimated at anything between 220 and 500 million 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 2008.