Tuesday, November 23, 2010

Coronal Hole

Solar wind is streaming from a coronal hole and buffeting the earth's magnetic field.  A high-latitude auroral alert has been issued.

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16 hour integration of the Heart Nebula with the Dwarf 3 telescope

The Heart Nebula can be a challenging object due to its low surface brightness, especially in my neighborhood where I image under Bortle 8/9...