m101

 Annual visit to this bit of the bear. Terrible seeing both nights. Don't know whether it's tube currents above the mirror. Gonna leave off the shower cap next time; free flow of air.

Couldn't get anywhere with 'conventional', processing so setiastro to the rescue. Not that good with it but anyway...

galaxy m101 pinwheel in ursa major
atr533c on gso203    42x4min @ hcg100