Messier 101 is a beautiful spiral galaxy, which can be located in the constellation Ursa Major. If I look back to my older picture, I must admit, it is worth spending a long time and dedicating some capture time for the hydrogen alpha channel.

Technical details:
Telescope | Newton 254/1000 mm |
Aperture | 254 mm |
Focal length | 1060 mm |
Mount | Gemini G53f |
Autoguiding | ZWO 174MM, TS 60/240 mm |
Camera | ZWO 071 Pro @-10°C |
Corrector | Explore Scientific HR coma corrector |
Filters | Astronomik L-1 - UV IR Block Filter |
Exposure | 31x300s, Gain 94, bin 1x1, |
Date | 2019-06-01 |
Very nice colors, my compliments for your site. Neat and clean.
Thanks!