M25 is a relatively compressed galactic
cluster found in the constellation Sagittarius. It contains
about 86 stars, one of which is a known Cepheid variable. This
cluster is located about 2,000 light-years from Earth and has a
diameter of around 23 light-years. The 4.6 visual magnitude of
M25 makes it easy to find with binoculars, but a small telescope
will be able to reveal the many colors of its member stars.