The Ring Nebula (M57) in the Constellation Lyra M57, the ring nebula, is found in the constellation Lyra. M57 is a planetary nebula, which is an exp

Posted by Steve Pastor
on Friday, December 4, 2020
M57, the ring nebula, is found in the constellation Lyra. M57 is a planetary nebula, which is an expanding shell of gas ejected from a star in the later stages of its evolution. The image captured the outer halo structure of M57 as well as the galaxy IC 1296 (see annotated image on the Facebook page). This cropped image is a total of 9 hr 20 min exposure taken through a 12.5” RCOS f/9 astrograph at f/6 (Astro-Physics CCDT67 reducer) with a SBIG STF8300m CCD camera on a Paramount ME on the nights of 18, 19, 22 May 17, 19 June 2020 in Mayhill, NM (13 x 1200 s lights, 5 x 1200 s blue, 5 x 1200 s red, 5 x 1200 s green all at -15 degrees C). Processed in PixInsight 1.8.8-6 Ripley (x64).
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