M37
While I was waiting for comet E3 ZTF to come out from behind a tree, I decided to point the telescope at this open cluster in Auriga, home to a bunch of red giants!
Acquisition Details:
William Optics Z61 APO
WO field flattener
Nikon D5300 @ ISO 1600
Skywatcher EQ6-R Pro
ZWO mini guide scope
ZWO ASI120MM-S guide camera
ASIAIR Plus
19 x 300 second exposures
Processed in Pixinsight