M 57 by Kai Wiechen

Kai Wiechen | all galleries >> Galleries >> Astronomy > M 57


2013-07-13 to 2013-07-27

ASA 20" Cassegrain, f/9, FLI PL16803, FLI H alpha and LRGB RG filters
HaLRGB 2220 : 733 : 257 : 274 : 391 min

other sizes: small medium large original auto

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