The Iris Nebula (Picture of the Day)

NGC 7023: The Iris Nebula
The Iris Nebula is 1,300 light years away in the constellation of Cepheus and it spans 6 light years across. Along with the names NGC 7023 and Iris Nebula, it is also known as Caldwell 4. The hot and young star is in the middle, surrounded by dusty nebular materials.

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