Pierre Méchain
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Pierre François André Méchain was a French astronomer and surveyor who, with Charles Messier, was a major contributor to the early study of deep-sky objects and comets.
Portrait of Méchain, c. 1882
Messier object
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The Messier objects are a set of 110 astronomical objects catalogued by the French astronomer Charles Messier in his Catalogue des Nébuleuses et des Amas d'Étoiles. Because Messier was interested only
Pierre Méchain
…in 1782, and was the editor of Connaissance des Temps from 1785 to 1792; this was the journal which, among other things, first published the list of Messier objects. In 1789 he was elected a Fellow of the Royal Society. Méchain participated in the Anglo-French Survey (1784–1790) to measure by trigonometry the precise…
All Messier objects
Charles Messier
Crab Nebula
Messier 2 HST Potw 1913a