deep-sky objects and comets. Pierre Méchain was born in Laon, the son of the ceiling designer and plasterer Pierre François Méchain and Marie–Marguerite Roze...

Catalogue that cannot be unambiguously identified. Its original discoverer Pierre Méchain retracted his discovery two years after publication and said that it...

megaparsecs) from Earth in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 and was communicated that year to Charles Messier, who verified...

to see, reports M. Méchain, especially when one illuminates the micrometer wires: its light is faint, without a star. M. Méchain saw it the first time...

arc measurement of Delambre and Méchain was a geodetic survey carried out by Jean-Baptiste Delambre and Pierre Méchain in 1792–1798 to measure an arc section...

This list, which Messier created in collaboration with his assistant Pierre Méchain, is now known as the Messier catalogue. The Messier catalogue is one...

away from Earth, and was discovered by Pierre Méchain in 1780, who originally described it as a nebula. Méchain then communicated his discovery to Charles...

311P/PanSTARRS has a period of 3.2 years.) Encke was first recorded by Pierre Méchain on 17 January 1786, but it was not recognized as a periodic comet until...

Notice historique sur M. Méchain, lue le 5 messidor XIII (Baudouin, Paris, January 1806; this is the eulogy on the late Pierre Méchain, read at the academy...

the French Revolution: Méchain and Delambre, and later Arago, were imprisoned several times during their surveys, and Méchain died in 1804 of yellow fever...

in the constellation Draco. NGC 5866 was most likely discovered by Pierre Méchain or Charles Messier in 1781, and independently found by William Herschel...

000 light years, and being about 60% as large. It was discovered by Pierre Méchain in 1781 and 29 days later seen again and entered by Charles Messier...

estimated that M74 hosts about 100 billion stars. M74 was discovered by Pierre Méchain in 1780. He then communicated his discovery to Charles Messier, who...

it has a magnitude of approximately 10. It was discovered in 1781 by Pierre Méchain. M101, also called the Pinwheel Galaxy, is a face-on spiral galaxy located...

astronomers. The Sombrero Galaxy was discovered on May 11, 1781 by Pierre Méchain, who described the object in a May 1783 letter to J. Bernoulli that...

described as having a "starfish" shape. M79 was discovered in 1780 by Pierre Méchain. Lepus (Chinese astronomy) List of star names in Lepus IAU, The Constellations...

globular cluster in the southern constellation Lepus. It was discovered by Pierre Méchain in 1780 and is about 42,000 light-years away from Earth and 60,000 light...

nebula in the northern constellation of Perseus. It was discovered by Pierre Méchain in 1780 and included in Charles Messier's catalog of comet-like objects...

reflection nebula in the constellation Orion. It was discovered by Pierre Méchain in 1780 and included by Charles Messier in his catalog of comet-like...

the mid-northern constellation Canes Venatici. It was discovered by Pierre Méchain in 1781, and catalogued by Charles Messier two days later. Although...

1728–1777 (France) Roger Joseph Boscovich 1711–1787 (Venetian Republic) Pierre Méchain 1744–1804 (France) Jean Baptiste Joseph Delambre 1749–1822 (France)...

star Phecda (γ UMa, Gamma Ursa Majoris). Messier 109 was discovered by Pierre Méchain in 1781. Two years later Charles Messier catalogued the object, as an...

away in the constellation Leo. It was discovered by French astronomer Pierre Méchain in 1781. After communicating his finding, French astronomer Charles...

400 billion stars. M63 was first discovered by the French astronomer Pierre Méchain, then later verified by his colleague Charles Messier on 14 June 1779...

light-years away in the zodiac constellation Leo. It was discovered by Pierre Méchain in 1781, and catalogued by compatriot Charles Messier four days later...

the most famous interacting galaxy pairs. NGC 5195 was discovered by Pierre Méchain on March 20, 1781. NGC 5195 and the Whirlpool Galaxy compose one of...

spiral galaxy in the constellation Canes Venatici. It was discovered by Pierre Méchain in 1781. M106 is at a distance of about 22 to 25 million light-years...

stars in the southern constellation Sagittarius. It was discovered by Pierre Méchain in 1780 and included in Charles Messier's catalog of comet-like objects...

aftermath of the Revolution: Méchain and Delambre, and later Arago, were imprisoned several times during their surveys, and Méchain died in 1804 of yellow fever...

Academy of Sciences commissioned Jean Baptiste Joseph Delambre and Pierre Méchain to lead an expedition to attempt to accurately measure the distance...