A 25 minute exposure with an STL-1301E CCD Camera thru Kopernik's 20-inch F/8.1 telescope.
W. Hershel (1783): '(Resolved into)..'a brilliant cluster with two rows of stars, 4 or 5 in a line which probably belong to it.'
Admiral Smyth: 'A fine, pale white cluster. This object is brighter and from the straggling streams of stars on its N edge, has an elliptical aspect with a central blaze: few other stars in the field.'
Dreyer's description of NGC 7099 in his New General Catalog(NGC): "Remarkable!, globular cluster, bright, large, little extended, gradually westward much brighter middle, stars of magnitude 12 to 16."
Several sources give the distance to M-30 as about 40,000 light years, and at that distance the true diameter would be 100 light years. But Click here for the latest news on Globular Star Cluster distances and ages!!
George Normandin, KAS
November 13th, 2009