Messier 5 was discovered by Gottfried Kirch in 1702 and then again by Messier in 1764. It is 24,500 light years distant and is seen at magnitude 5.6 in the constellation Serpens. Estimates of the number of stars within the cluster vary from 100,000 to 500,000.
Image Data:
Focal Length 1000mm
Focal Ratio f8
Exposure 18 mins
