M67 is another Open Cluster this time in Cancer. M67 lies 2,700 Light-Years away. M67 is not the oldest known open cluster, but there are few Galactic clusters known to be older, and none of those are as close as M67. [Read more about M67 Open Cluster]
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On the night of January 21, 2014, a group of astronomy students at University College London fortuitously spotted a supernova in M82
M36 is a very open cluster and lies 4,100 Light-Years away in Auriga the charioteer. There are at least 60 members of this cluster which are estimated to be about 14 light-years across. 