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Légende du diagramme : The constellation Canes Venatici with its brighter stars and surrounding constellations. Canes Venatici is surrounded by (going clockwise from the top): Ursa Major, Coma Berenices and Boötes.

Canes Venatici is a northern constellation and thus the whole constellation is visible at some point in the year from the whole of the northern hemisphere. The whole of the constellation is also visible from equatorial regions of the southern hemisphere with parts of it visible from temperate southern regions. The constellation is best viewed in the northern hemisphere late spring and southern hemisphere late autumn.

The famous spiral galaxy commonly known as the Whirlpool Galaxy (M51) lies in Canes Venatici and is marked here with a red ellipse. Other notable spiral galaxies in the cluster include M63, M94, M106 and NGC 4631. All are marked here with red ellipses. The globular cluster M3 is marked here with a yellow circle with a plus symbol superimposed on it.

The y-axis of this diagram is in degrees of declination with north as up and the x-axis is in hours of right ascension with east to the left. The sizes of the stars marked here relate to the star's apparent magnitude, a measure of its apparent brightness. The larger dots represent brighter stars. The Greek letters mark the brightest stars in the constellation. These are ranked by brightness with the brightest star being labeled alpha, the second brightest beta, etc., although this ordering is not always followed exactly. The dotted boundary lines mark the IAU's boundaries of the constellations and the solid green lines mark one of the common forms used to represent the figures of the constellations. Neither the constellation boundaries, nor the lines joining the stars appear on the sky.

Crédit du diagramme : Adapted by the IAU Office of Astronomy for Education from the original by the IAU and Sky & Telescope. Lien du crédit

État de la traduction du diagramme: Pas encore approuvé par un·e relecteur(rice)
Licence du diagramme : Creative Commons (CC) Attribution 4.0 International (CC BY 4.0) Creative Commons (CC) Attribution 4.0 International (CC BY 4.0) Icônes

Termes du glossaire en rapport : Amas globulaire , Ascension droite (AD) , Constellation , Coordonnées célestes , Déclinaison , Galaxie spirale , Magnitude apparente
Catégories : Astronomie à l'œil nu

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