great globular cluster
esiegel | December 31, 2012"I'd rather be a could-be if I cannot be an are;
because a could-be is a maybe who is reaching for a star.
I'd rather be a has-been than a might-have-been, by far;
for a might have-been has never been, but a has was once an are." -Milton Berle
Welcome to Messier Monday, where we pick one of the 110 spectacular deep-sky objects of the Messier catalogue each week and learn a little more about it.
Image credit: Paul Gitto's Messier Marathon.
This week, to usher in 2013, I'd like to take a look at Messier 13, the Great Globular Cluster in Hercules, which is visible to northern skywatchers both…