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Legenda do diagrama: The constellation Pegasus with its bright stars and surrounding constellations. Pegasus is surrounded by (going clockwise from the top): Lacerta, Cygnus, Vulpecula, Delphinus, Equuleus, Aquarius, Pisces and Andromeda. Pegasus is known for the prominent asterism the “Square of Pegasus” which consists of its three brightest stars plus the brightest star in Andromeda.

Pegasus is a northern constellation and thus the whole constellation is visible at some point in the year throughout the northern hemisphere. The whole constellation is also visible to southern hemisphere equatorial and temperate zones with parts of the constellation visible from all but the most antarctic regions. Pegasus is best viewed in the evening in the northern hemisphere autumn and southern hemisphere spring.

The globular cluster M15 lies in Pegasus and is marked here with a yellow circle with a plus sign superimposed on it. The spiral galaxy NGC 7331 also lies in Pegasus and is marked here with a red ellipse.

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. The blue line at the bottom of the diagram marks the ecliptic. Neither the constellation boundaries, nor the lines joining the stars, nor the ecliptic, appear on the sky.

Crédito do diagrama: Adapted by the IAU Office of Astronomy for Education from the original by the IAU and Sky & Telescope. Link do crédito

Status da tradução dos diagramas: Ainda não aprovado por um revisor
Licença do diagrama: Creative Commons Atribuição 4.0 Internacional (CC BY 4.0) Creative Commons Atribuição 4.0 Internacional (CC BY 4.0) ícones

Termos relacionados do glossário: Aglomerado Globular , Andrômeda , Aquário , Ascensão Reta (AR) , Asterismo , Constelação , Coordenadas celestes , Declinação , Eclíptica , Galáxia espiral , Magnitude aparente , Peixes
Categorias Astronomia a Olho Nu

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