Milkyway:
M51 whirlpool galaxy in Ursa Major 2'nd of April 2021
Takahashi FC-100DF, 1.99"/pixel 1.12 by 1.11 deg. with Takahashi 76D flat., SBIG ST-4000XCM -25C 5h45min .
Light travel time: 37 million years.
Processing: Pixinsight. (quite bad light pollution).
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