SGR-1806 is an ultra-magnetic neutron star, called a magnetar, located about 50,000 light years away from Earth in the constellation Sagittarius.

Source: http://www.nasa.gov/lb/vision/universe/watchtheskies/swift_nsu_0205.html

Image: http://www.nasa.gov/images/content/108685main_SRB1806_20rev2.jpg

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