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NGC 6888 ”Crescent” Nebula is a large object formed like a bubble, placed in the constellation Cygnus.
The colours you see on this photo are due to the ionized gasses, probably from an exploding supernova. NGC 6888 lies about 4700 light years away, and expands by a speed around 30.000 km per hour. It has a diameter arount 25 light-years across.
DATA
59 x 2 minutes - Canon EOS 10D running at 1600 ASA..
Several people were working at the observatory that night - but this photo was captured by Rasmus Gade (2.x) and Benny C. Pedersen (2.y) - from 05-09-2005 21:24:21 UT to 06-09-2005 00:03:01 UT
Desk Top Universe Screen Dump of this object.
Other NGC 6888 amateur images
Image 2 from Russ Dickman
Jack S -
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