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Caldwell 33 - Eastern Portion of Veil Nebula

This shot was taken with a modified Canon 1000XS using my Nexstar 11GPS with the Hyperstar3 system on 6/20/09. Caldwell 33 is the eastern portion of the Veil Nebula. This shot was taken under the dark skies of Dewey Arizona and is a stack of 15 second subs.


Sometime between ten and fifteen thousand years ago, before the dawn of recorded human history, a new light must suddenly have appeared in the night sky and faded after a few weeks. A large star of at least 8 solar masses exploded in what is known as a Supernova. This single event released 100 times more energy than our sun has produced over its 4.5 billion year lifetime. Pictured above is the eastern portion of the Veil Nebula known technically as NGC 6992 and 6995. The expanding debris cloud gains its colors by sweeping up and exciting existing nearby gas. The supernova remnant lies about 1440 light-years away.


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