When Charles turned 21, an opportunity was found for him to work with the astronomer of the Navy, [[Joseph Nicolas Delisle]]<ref name="Charlie1">http://www.astrosurf.com/re/messier1.html</ref>. During this tenure around 1757 he started to look for [[Halley's Comet]], which was hypothesized to return at this time. During this search he observed some of the objects that would later be recorded in his famous catalog such as [[Andromeda galaxy|Andromeda]] (M31), and the [[Crab Nebula]] (M1)<ref name="Charlie1">http://www.astrosurf.com/re/messier1.html</ref>. Later Charles did find [[Halley's Comet]] (it was rediscovered independently a few weeks before), but because he located it based on the belief his boss Delisle’s predicted was incorrect, his employer, not accepting his predicted path was wrong, refused to allow the announcement of the discovery<ref name="Charlie2">http://www.delphes.net/messier/xtra/history/biograph.html</ref>. | When Charles turned 21, an opportunity was found for him to work with the astronomer of the Navy, [[Joseph Nicolas Delisle]]<ref name="Charlie1">http://www.astrosurf.com/re/messier1.html</ref>. During this tenure around 1757 he started to look for [[Halley's Comet]], which was hypothesized to return at this time. During this search he observed some of the objects that would later be recorded in his famous catalog such as [[Andromeda galaxy|Andromeda]] (M31), and the [[Crab Nebula]] (M1)<ref name="Charlie1">http://www.astrosurf.com/re/messier1.html</ref>. Later Charles did find [[Halley's Comet]] (it was rediscovered independently a few weeks before), but because he located it based on the belief his boss Delisle’s predicted was incorrect, his employer, not accepting his predicted path was wrong, refused to allow the announcement of the discovery<ref name="Charlie2">http://www.delphes.net/messier/xtra/history/biograph.html</ref>. |