What was Charles Messier's primary passion that drove his observation efforts?
Answer
Hunting for comets
Messier earned his living as an astronomer for the Navy, but his true passion and dedicated pursuit, driven by financial incentives, was the hunt for comets.

Related Questions
What was Charles Messier's primary passion that drove his observation efforts?What was the main incentive for Messier's dedicated pursuit of comet discoveries?During which historical era did Charles Messier live and work?In what year was the initial Messier Catalog list first published, and how many objects did it contain then?What is the total, generally accepted final count of objects included in the Messier Catalog?Which individual is credited with discovering many of the later entries added to the Messier Catalog?What object was M1, the first catalog entry, and what event prompted Messier's discovery of it?What are the three main categories of deep-sky objects found in the Messier Catalog?What famous galaxy is designated as M31 in the Messier Catalog?What was the immediate, practical reason Messier began compiling the list of fuzzy, non-moving patches?