Constellation Hercules contains two globular clusters. First one is spectacular Great Globular Cluster M13 and its smaller brother M92. However, the smaller one is one of the brightest and the oldest globular cluster in our galaxy. It’s 26 700 light-years away from the Solar System and it contain 250 000 stars.

Telescope:Newton 254/1000 mm
Aperture:254 mm
Focal length:1000 mm
MountGemini G53f
AutoguidingOrion Mini Autoguider
Camera:Moravian instruments G2 8300M @-40C
Corrector:GPU
Filters:Baader LRGB
Exposure:8x24xL, 180 s, bin 1x1, 11xRGB 120 s, bin 2x2
Date:2015-08-22