File:M101 Zoom.jpg

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Français : M101(NGC5457) Galaxie spirale dans la grande Ourse (14H34',+54°18')

Distante de 27 millions AL, cette galaxie a un diamètre proche de celui de la pleine lune. Plusieurs supernovae y ont été observées. Les granules roses sont des pouponnières d'étoiles.Elle est difficile à observer visuellement car sa brillance de surface est fort faible.

Poses:50'L,15'RGB-Bin2X2-STL11K-C14
Source Own work
Author Fryns

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Date/TimeThumbnailDimensionsUserComment
current14:58, 17 October 2008Thumbnail for version as of 14:58, 17 October 20081,732 × 1,224 (550 KB)Fryns (talk | contribs){{Information |Description={{fr|1=M101(NGC5457) Galaxie spirale dans la grande Ourse (14H34',+54°18') Distante de 27 millions AL, cette galaxie a un diamètre proche de celui de la pleine lune. Plusieurs supernovae y ont été observées. Les granules

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