m51

Lots of previous attempts, but never get tired of the whirlpool galaxies. This year using Ivo's excellent new StarTools algorithms.

galaxies m51 and ngc5195 in canes venatici
700d on pn208    39x5min @ ISO800

Then ekos decided to do it's own thing, so around frame 30 -after a guiding failure maybe- it displaced the image. here are the 8 lost frames. Not bad for just 40 minutes...

And of course the rethink a year later...