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 |
Mount | Gemini G53f |
Autoguiding | Orion Mini Autoguider |
Camera: | Moravian instruments G2 8300M @-40C |
Corrector: | GPU |
Filters: | Baader LRGB |
Exposure:8x | 24xL, 180 s, bin 1x1, 11xRGB 120 s, bin 2x2 |
Date: | 2015-08-22 |