C/1798 G1 (Messier)

Lore & Background

Charles Messier, a French astronomer born in Badonviller in 1730, discovered 13 comets during his career, including C/1798 G1 (Messier). His interest in astronomy was sparked by the great six-tailed comet of 1744 and an annular solar eclipse in 1748. He entered the employ of Joseph Nicolas Delisle in 1751, who instructed him to keep careful records of his observations. Messier's comet hunting led him to compile the Messier catalogue of 110 nebulae and star clusters to help distinguish permanent objects from transient comets. The catalogue, published in final form in 1781, includes objects observed with a 100 mm refracting telescope from Hôtel de Cluny in Paris.

Reader's Guide

C/1798 G1 (Messier) is one of the 13 comets discovered by Charles Messier, whose comet-hunting work was central to his career. Messier's catalogue of 110 nebulae and star clusters, known as the Messier objects, was created to help observers avoid mistaking fixed diffuse objects for comets. The catalogue, published in 1774 (first version with 45 objects) and finalized in 1781 (103 objects), later expanded to 110 objects with M 104 through M 110 accepted as official. Messier's comets, including C/1798 G1, are part of his legacy as a prolific discoverer, though the article does not provide specific details about this comet's orbit, brightness, or observational history. The lunar crater Messier and asteroid 7359 Messier were named in his honour.

Did You Know?

• Charles Messier discovered 13 comets, including C/1798 G1 (Messier).
• Messier was nicknamed 'Ferret of Comets' by King Louis XV.
• His interest in astronomy was stimulated by the great six-tailed comet of 1744.
• Messier's catalogue of 110 objects was created to help distinguish comets from fixed diffuse objects.