Challenge of the Week Messier Star Clusters

Challenge of the Week: Messier Star Clusters

  Unistellar Citizen Astronomers are invited to participate in this week’s special quest to observe star clusters from the Messier Catalogue, in preparation for our upcoming Messier Marathon! 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…