On This Day In History On This Day In History: Charles Messier Catalogued M41 Open Cluster – On Jan 16, 1765 MessageToEagle.com | January 16, 2017 MessageToEagle.com – On January 16, 1765, Charles Messier catalogued M41— a huge open cluster of stars in the constellation Canis Major. Visible to the naked eye, M41 is a Read More