Welcome back to Messier Monday! In our ongoing tribute to the great Tammy Plotner, we take a look at the Messier 16 open star cluster – aka. The Eagle Nebula (and a slew of other names). Enjoy! In the 18th century, while searching the night sky for comets, French astronomer Charles Messier began noticing a … Continue reading Messier 16 (M16) – The Eagle Nebula