Click here for a review of the strengths and weaknesses of the Global Rent-A-Scope operation.
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.
In collaboration with the Remote Astronomical Society Observatory
Martin Nicholson - Daventry, United Kingdom.
This page was last updated on April 15th 2009.