Astronomy Picture of the Day



Northern Cygnus

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zorg.ch
#103419 by @ 21.09.2007 00:00 - nach oben -
Northern Cygnus


Explanation:

Bright, hot, supergiant
star Deneb lies at top center in this
gorgeous
skyscape
.

The 20 frame mosaic spans an impressive 12 degrees across the northern end of
Cygnus
the Swan
.

Crowded with stars and luminous gas clouds
along the plane
of our Milky Way Galaxy, Cygnus is also home to the dark,
obscuring Northern Coal Sack Nebula, extending from Deneb
toward the bottom center of the view.

The reddish glow of NGC 7000, the
North America Nebula,
and IC 5070, the Pelican Nebula,
are at the upper left, but many other
nebulae and star clusters are
identifiable
throughout the wide field.

Of course, Deneb itself is the alpha star of Cygnus and is
also known to northern hemisphere skygazers for its place in two
asterisms --
marking the top of the
Northern Cross and
a vertex of the
Summer
Triangle
.


APOD editor to
review best space pictures in Philadelphia next Wednesday



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