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Credit & Copyright: MDW Sky Survey
(David Mittelman, Dennis di Cicco, Sean Walker)
Explanation:
From within the boundaries of the constellation Cassiopeia (left) to
Andromeda (right),
this telescopic
mosaic spans over 10 degrees in planet Earth's skies.
The celestial scene is constructed of panels
that are part of a high-resolution astronomical
survey of the Milky Way in
hydrogen-alpha light.
Processing the monochromatic image data has brought out the
region's faintest structures, relatively
unexplored
filaments of hydrogen gas
near the plane of our Milky Way Galaxy.
Large but faint and also relatively unknown nebula
Sivan 2 is at the
upper left in the field.
The nearby Andromeda Galaxy, M31, is at center right,
while the faint, pervasive hydrogen nebulosities stretch towards
M31 across the foreground in the wide field of view.
The broad survey image demonstrates the intriguing
faint hydrogen clouds
recently imaged by astronomer
Rogelio Bernal Andreo really are within the Milky Way,
along the line-of-sight
to the Andromeda Galaxy.
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NASA Official: Jay Norris. Specific rights apply.
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& Michigan Tech. U.
Based on Astronomy Picture
Of the Day