#MessierMonday no. 99

It’s the middle of #Movember and it’s #MessierMonday. I got 99 problems but a deep sky object ain’t one.

This week we have the Coma Pinwheel, aka M99.
(1/5)

Image:Adam Block/Mount Lemmon SkyCenter/University of Arizona pic.twitter.com/H3pisMZmKU

— Dr Clare Turner (@DrMathsPhysics) November 15, 2021