M93 is an open cluster of stars located
within the Puppis constellation. This is a small but bright
cluster with a visual magnitude of 6. Its visual appearance has
been said to resemble that of a butterfly. Some have even
identified it with a starfish. The cluster contains about 80
stars scattered over a distance of around 25 light-years. The
brightest of these stars are blue giants. M93 is believed to be
located some 3,600 light-years from Earth. Its can easily be
seen with a pair of binoculars. A small telescope will reveal
more of the clusters fainter stars.