M46 is a rich open cluster that contains a real jewel,planetary nebula NGC 2438. At 6th magnitude,M46 contains about 100 bright stars,the brightest of which is magnitude 8.7. It is about one-half degree in apparent diameter,the same size as the full m | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Lodriguss, Jerry |
Taille de l’image : | 3826 px × 2550 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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