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Winter hibernation

Dave Doctor from Las Cruces, New Mexico

Sharpless 2–200 in Cassiopeia is a planetary nebula — the remains of a dying star blowing off its outer layers. The fine, wispy filaments in its interior give it its common nickname of the Bear Claw Nebula. This imager took 39 hours of Hα/OIII/RGB data with a 14-inch f/3.8 scope.