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.

Technical details:

Telescope:Newton 254/1000 mm
Aperture:254 mm
Focal length:1000 mm
MountGemini GF53f
AutoguidingZWO 174MM, TS 60/240 mm
Camera:Moravian instruments G2 8300M @-30C
Corrector:Explore Scientific HR coma corrector
Filters:Baader LRGB
Exposure:20xL 180 s bin 1x1, 6RGB, 120s, bin 2x2