Thursday, November 24, 2016

Cygnus Loop

This is the Cygnus Loop, an emission nebula measuring nearly 3° across (Six times the size of a full moon in the sky). This nebula is a large remnant after a supernova, a massive stellar explosion that occurred between 5,000 to 8,000 years ago. The distance from Earth is estimated to 1500 light years.

Photo was taken using a Nikon D810A with a Nikon 180mm f/2.8 Ai-s lens at f/4.0. Total exposure time is 1 hour (60 x 1 min) at ISO 1600. AstroTrac used for unguided tracking.

The Cygnus Loop

Behind the scenes with location of Cygnus Loop marked.
The green down to the right is some Northern light.

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