Accessories:Sky-Watcher F5 Coma Corrector 2", Barloy Lens 2.5x
Exposure:
149 x 15" ISO/Gain: 6400
202 x 15" ISO/Gain: 3200
224 x 20" ISO/Gain: 3200
181 x 20" ISO/Gain: 3200
Red zoneLight Pollution:
Kharkiv, Ukraine
3 h 43 m
2031
6
"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.
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