Nebula NGC1624 in Perseus (2014) (Jean-Pierre Lees)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: NGC 1624

Nebula NGC1624 in Perseus (2014), Jean-Pierre Lees

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Nebula NGC1624 in Perseus (2014)

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Nebula NGC1624 in Perseus (2014)

This is a combination of a small (5'x5') compressed open cluster and a round, well defined emission nebula. The cluster involves about a dozen star, the brightest beeing magnitude 11.8. Sir William Herschel discovered this object on 28 december 1790 and recorded it as object H49_5 in his 2511 objects catalogue, where the _5 stands for class 5 (very large nebulae) in his 8 classes classification scheme. Visually, he described it as "6 or 7 small stars, with faint nebulosity between them, of considerable extent, and of an irregular figure". (From Mark Bratton's "The Complete Guide to Herschel Objects", Cambridge University Press, 2011)

Amas ouvert et nébuleuse à émission NGC1624 das Persée, 22 novembre 2014, image LRGB de 102, 15, 15, 15 mn (binning 2x2 pour la couleur) . La dimension angulaire de cette nébuleuse est de 5x5'. Télescope C8 avec réducteur de focale Meade, D=2000, F=1350mm et ccd QHY9.

AAA : Astronomes et Astrographes Amateurs

Nebula
Photos Astronomiques 2014

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Nebula NGC1624 in Perseus (2014)

Nebula NGC1624 in Perseus (2014)

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