M13, The Hercules Globular Cluster and its little galaxy neighbor NGC 6207 at 840mm from Bortle 8

Here is my second attempt on a globular cluster, this time the largest in our northern hemisphere: M13.

Acquisition equipment and details:

– Skywatcher 150i Wave mount

– Askar 120APO @ 840mm f7

– Touptek ATR2600M at -10°C

– Touptek 36mm LRGB filters

– 34×150s R, 34×150s G and 31×150s B (4h07 in total)

– Bortle 8 skies (~17.8 SQM)