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IC1396 | by gainesp2003
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IC1396

IC1396 is a large emission nebula in the Northern constellation Cepheus. The bright star near the middle of the nebula is the ionization source. The brighter star near the top of the nebula is Mu Cephei (AKA Hershel's Garnet Star), which is a red supergiant. It is one of the largest stars known. To put it in perspective, if it were placed in the position of our sun, it would fill the solar system out to an area between the orbits of Saturn and Jupiter!

 

This was shot at 200mm focal length, ISO 1600 and f/5, with the camera mounted onto the telescope for tracking. It is a stack of five 10 minute exposures.

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Taken on August 21, 2009