A telephoto lens image of the open star cluster Messier 44 in Cancer, aka the Beehive Cluster or Praesepe. This is shot to simulate the field of view of binoculars for illustration purposes. This is a stack of 6 x 1-minute exposures with the 200mm lens at f/2.8 and Canon 6D MkII at ISO 800, tracked but unguided on the Mach 1 mount, on April 28, 2019 and taken in deep twilight.
M45 Pleiades with 5-inch AP apo at f/6. With Canon 20Da camera at ISO400. Stack of four 15-minute exposures. Taken from home Nov. 20.
M45, Pleiades, long exposure to reveal surrounding faint reflection nebulosity. Taken January 17, 2009 with 77mm f/4 Borg astrograph refractor (300mm focal length) and Canon 20Da camera at ISO 400 for 4 x 18 minute exposures. Some RA trailing on 3 of the exposures for some reason.
