The Messier Ten Minute Challenge

M28 - Globular Cluster in Sagittarius

M28 (NGC 6626) is yet another globular cluster in the constellation of
Sagittarius. About 18,000 light years away M28 has a diameter of 60
light years - considerably smaller than the more impressive neighbour
M22.

http://www.martin-nicholson.info/ten...llenge/m28.htm


Martin Nicholson, Daventry, England.

My website is at http://www.martin-nicholson.info/1/1a.htm
My informal Astronomical Blog is at http://ukastronomy.livejournal.com/