The Pinwheel Galaxy, M101

22x307, 7x615 second subframes, iso800.

Total exposure 3 hours 4 minutes.

 

Imaging:

Skywatcher Evostar 150,

Modified Canon 350D (Baader ACF-2) with Astronomik CLS filter.

Guiding:

unbranded 50mm, 190mm focal length, finder-guider,

Orion SSAG.

All on

Skywatcher HEQ5 Pro

 

Stacked and processed in DSS, Fitswork and Gimp

 

24th April 2017

Cambridge, UK

Done