M27 “Dummbell Nebula”May 17, 2020
This iconic object was taken as a LRGB sequence of 9+8+9+9 frame of 600 seconds exposure each, in the summer of 2018 in the upper image, using the FSQ Telescope and the ASI1600 CCD. The lower image is an Ha integration of 42 frames of 900 seconds each taken two years before with the same telescope but with the ATIK.One CCD.
The Dumbbell Nebula (also known as Apple Core Nebula, Messier 27, M 27, or NGC 6853) is a planetary nebula in the constellation Vulpecula, at a distance of about 1227 light-years. This object was the first planetary nebula to be discovered; by Charles Messier in 1764. At its brightness of visual magnitude 7.5 and its diameter of about 8 arcminutes, it is easily visible in binoculars, and a popular observing target in amateur telescopes. (Wikipedia)