Messier 14 is a globular cluster located in constellation Ophiuchus. The cluster has diameter 100 light-years, contains several hundred thousand stars and it is approximately 30 thousand light-years far from us.
The picture is a stack of 20 luminance frames, each 3 minutes long and 6 RGB frames per channel.
|Telescope:||Newton 254/1000 mm|
|Focal length:||1000 mm|
|Autoguiding||ZWO 174MM, TS 60/240 mm|
|Camera:||Moravian instruments G2 8300M @-30C|
|Corrector:||Explore Scientific HR coma corrector|
|Exposure:||20xL 180 s bin 1x1, 6RGB, 120s, bin 2x2|