An image of Abell 21, a planetary nebula, has been uploaded

Hi all, An image of Abell 21 has been uploaded. It is a quite deep image, showing not only the classic crescent shaped bright hemisphere, but also the faint one, so that this nebula can be considered “spherical” rather than crescent-shaped.You can find it as well as some more info at: Abell 21. Medusa Nebula […]

An image of NGC 1291, a “transitional” galaxy, has been uploaded

Hi all, An image of a “transitional” spiral galaxy, NGC 1291, has been uploaded. This spiral galaxy has a structure that has been considered an intermediate step between the young, bluish and with definite arms and the elliptical galaxies. You can find the image and some more info at: NGC 1291. Enjoy, Josep

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