Messier 100
May Challenge: Galaxies in the Virgo Cluster
MESSIER:
84, 86, 87, 88, 90, 91, 99, 100
NGC:
4216, 4298, 4302
Coma Berenices
MESSIER:
64, 100
NGC:
4173, 4565, 4889
OTHER:
HCG 61, Melotte 111
Northern Berkshire Astronomical Society
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