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 Surfing the Milky Way Dark Rift 


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About:
In astronomy, the Great Rift (sometimes called the Dark Side, Dark Rift, or, less commonly, Dark River) is a series of overlapping, non-luminous, molecular dust clouds that are located between the Solar System and the Sagittarius Arm of the Milky Way Galaxy at a distance of about 100 parsecs or about 300 light years (21015 miles or 31015 kilometers) from Earth. The clouds are estimated to contain about 1 million solar masses of plasma and dust. To the naked eye, the Great Rift appears as a dark lane that divides the bright band of the Milky Way lengthwise, through about one-third of its extent, and is flanked by lanes of numerous stars. Starting at the constellation of Cygnus, where it is known as the Cygnus Rift or Northern Coalsack, the Great Rift stretches to Aquila; to Ophiuchus, where it broadens out; to Sagittarius, where it obscures the Galactic Center; and finally to Centaurus. One of the most important regions it obscures is the Cygnus OB2 association, a large cluster of young stars and one of the largest regions of star formation near Earth. A similar dark band can be seen in edge-on distant galaxies, such as NGC 891 in Andromeda. [Text from WIKIPEDIA]

Pubblications BBC Sky at Night - October 2014 Image Favourite
Optics: Canon EF 200mm f/2.8 L II USM @F4
Mount: HEQ5 Pro
Camera: Canon 5D MkII - Baader Mod
Filters: -
Guiding Systems: SX Lodestar
Dates/Times: 24/25 August 2014
Location: Torre Vado - Morciano di Leuca - Lecce - Italy
Mosaic Details: 2x2 Frame
Exposure Details: 20x180s @1600 ISO Each Frame
Cooling Details: Air temperature @31C
Acquisition: BYE 3.0, TheSkyX
Processing: PixInsight, PS CS5
Mean FWHM: 2.8
SQM-L: 19.99