M67 (NGC 2682) Constellation du Cancer / Constellation of Cancer (Harold Freckhaus)

Celestial hemisphere: Northern · Constellation: Cancer (Cnc) · Contains: 50 A02 Cnc · M 67 · NGC 2682 · The star 50Cnc

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M67 (NGC 2682) Constellation du Cancer / Constellation of Cancer

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M67 (NGC 2682) Constellation du Cancer / Constellation of Cancer

M67 (NGC 2682) est un amas ouvert situé dans la constellation du Cancer. Il a été découvert par l'astronome allemand Johann Gottfried Koehler en 1779. Selon Johann Elert Bode, M67 a été découvert peu avant 1779, mais ses instruments ne lui ont pas permis de résoudre ses étoiles6. Charles Messier l'a inclus dans son catalogue le 6 avril 1780.

M67 est à environ 908 pc (∼2 960 a.l.) du système solaire et, selon la base de données WEBDA, les dernières estimations lui donnent un âge de 2,6 milliards d'années. La taille apparente de l'amas est de 25 minutes d'arc, ce qui, compte tenu de la distance, donne une taille réelle maximale d'environ 22 années-lumière.

Magnitude apparente = 6.9

[Source Wikipedia]

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Messier 67 (also known as M67 or NGC 2682) is an open cluster in the constellation of Cancer. M67's Trumpler class is variously given as II 2 r, II 2 m, or II 3 r. It was discovered by Johann Gottfried Koehler in 1779. Age estimates for the cluster range between 3.2 and 5 billion years, with the most recent estimate (4 Gyr) implying stars in M67 are younger than the Sun. Distance estimates are likewise varied and typically range between 800–900 pc. Recent estimates of 855, 840, and 815 pc were established via binary star modelling and infrared color-magnitude diagram fitting, accordingly.

Apparent magnitude = 6.9

[Credit Wikipedia]

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Status	Advanced success
Started	...
Astrometry.net job	3261407
PixInsight job	IYORT63F7NNG0EWFERTNP17MYO8GRHAN
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	08h50m13s.32
RA (top/left)	08h46m56s.17
RA (top/right)	08h46m08s.94
RA (bottom/right)	08h53m29s.10
RA (bottom/left)	08h54m19s.13

Dec (center)	+11°43′30″.6
Dec (top/left)	+12°43′26″.3
Dec (top/right)	+10°55′19″.2
Dec (bottom/right)	+10°43′27″.5
Dec (bottom/left)	+12°31′29″.0

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M67 (NGC 2682) Constellation du Cancer / Constellation of Cancer

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