Special Challenge of the Week: Messier Nebulae
Unistellar Citizen Astronomers are invited to participate in this week’s special quest to observe nebulae from the Messier Catalogue! The Messier Catalogue is a set of 110 deep sky objects which includes galaxies, nebulae, and star clusters. The catalogue was published by French astronomer Charles Messier in 1774. Below you’ll find a selection of…