Skyscape with Comet Holmes

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#104564 by @ 10.11.2007 00:00 - nach oben -
Skyscape with Comet Holmes


Explanation:

This gorgeous skyscape spans some 10 degrees across the
heroic constellation
Perseus, about the size of a generous binocular
field of view.

The deep exposure includes bright stars,
emission nebulae,
star clusters, and, of course, the
famous Comet Holmes.

To identify the celestial landmarks,
just place your cursor over the image.

The brightest star in view, Alpha Persei, is itself
surrounded by a loose cluster of stars - the
Alpha Per
Moving Cluster
-
at a distance of about 600 light-years.

But, at a distance of a mere 14
light-minutes bright
Comet
Holmes
still dominates the scene with its
fluorescing greenish coma
and foreshortened blue tail.




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