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M46 - Open Cluster with Planetary Nebula (NGC 2438)


From the author of   Sizing Up The Universe


M46

21:30--22:25 EDT Apr 22, 2011.
Starlight Express SXV-H9 on 4" Tak FSQ refractor at f/5.
R = 10x15 sec, G = 10x15 sec, B = 10x15 sec, Ha = 30x15 sec + 5x2 min O-IIIa = 30x15 sec + 5x2 min (unguided).
Richardson Lucy deconvolution.

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