Globular Cluster M92 (NGC 6341), class IV, in Hercules

RA 17:17.1 (h:m); Dec +43:08 (deg:m); Distance 26.700 light years;
Visual Brightness 6.4 (mag); Apparent Dimension 11.2 (arc min)

M92 is about 26.000 light years distant, only a little more than its brighter apparent neighbour M13.
M92 is a splendid object, visible to the naked eye under very good conditions and a showpiece for every optics. It is only slightly less bright but about 1/3 less extended than M13: its 11.2' angular extension corresponds to a true diameter of 85 light years, and may have a mass of up to 330.000 suns.

Source and more: SEDS


July 1, 2006 22:33 - 22:49 UT.
Imaged with LX200 10-inch f/10 telescope with 0.33 Focal Reducer operating at f/4.06 [focal length 1015mm], Vesta Pro-SC3a colour camera, Baader Infra Red Blocking Filter.

July 10, 2003 23:04 - 23:23 UT
23 x 30 seconds exposure.
YRGB processing.