M51 - Whirlpool Galaxy

I added a couple more nights to this one. I don't see a whole lot of difference between 7.5 hours and 3.5/4/whatever the last one was. I stretched this version as far as I could since I will be moving on to another target now.

Imaging: ASIair Pro, EdgeHD 8, .7x reducer, ASI533mc-P, ZWO UVIR cut filter
Guiding: EQ6-r Pro, ZWO OAG, ASI462mc, Antlia IR-pass filter 685nm
Lights: 91 (300s)
Flats: 60 (1.2s)
Bias: 200 (1ms)
Temp: 0C
Gain: 100

Processed in Siril, final touches in GIMP.