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 |
Mount | Gemini GF53f |
Autoguiding | ZWO 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 |
Date: | 2018-0610 |