This image was created by median combining 7 x 90 second unfiltered images taken with a RCOS 10" operating at f/6. The image has been cut down to be 15 x 15 arc minutes in size.

M54 (NGC 6715) is a particularly luminous globular cluster with a diameter of around 300 light years and a distance of 80000 to 90000 light years. This globular cluster is difficult to resolve due to its distance from the observer.
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Return to Short Projects and Targets of Opportunity
In collaboration with the Remote Astronomical Society Observatory
Martin Nicholson - Daventry, United Kingdom.
This page was last updated on April 8th 2008.