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M103 -- Open Cluster

From the author of   Welcome to the Universe in 3D

Click here for Hertzsprung-Russell diagram

18:10 EST Jan 08, 2021.
Starlight Express Trius SX694 on 10" RC at f/9.
L = 5 min, R = G = B = 5 min (unguided 20-second exposures).

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