Since the weather situation is still stable, I was able to use it again for a new destination tonight. With M 106, I wanted to expose a lighter object than the last very weak galaxy, and I would like to replace my first attempt of 2015 with a more beautiful version. Unfortunately, I have been messed up in the night half of the exposure time by the lack of concentration.
Instead of 45 RGBs, I now have only 15. Real amazing that there still is a lot of color. Here the calibrated and stretched RGB raw image: