By Ken Chan | 2021-05-04
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On 05/03/2021 02:00 am by David Hoskin | Halifax, Nova Scotia, Canada
Messier 57, the Ring Nebula, is a planetary nebula located in the constellation Lyra. The central star, which was the source of the starburst that formed the nebula, has become a white dwarf after shedding its mass.
Skywatcher 8" Newtonian reflector, ASI533MC CMOS camera, Skywatcher EQ6R mount
24 4-minute subs plus calibration frames stacked with DeepSkyStacker, star color calibrated with SiriL, other post-processing with Photoshop, Images Plus, and MS Photo.
