8. M52 (and the Bubble)
The magnitude-8 open cluster Messier 52, and to the west by half a degree, the famed Bubble Nebula, both in the constellation Cassiopeia. Imaged in the wee hours of the morning of October 21, 2017 with the Mallincam Universe, UV/IR filte, and the Takahashi FS 102 with focal reductio. Twenty-eight subs, mostly 5-minute exposures, for total of 140 minutes.