Snowball Nebula - NGC6781

"Snowball" - the planetary nebula NGC6781 in the constellation Aquila, with an angular size of 1'46", which is approximately 2.5 times larger than Jupiter's disk. This is a composite of different imaging sessions—both at prime focus, with a coma corrector, and with a Barlow lens. Taken from a balcony of a multi-story building, in a red zone of light pollution.