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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Seven hours on the Horsehead with the Seestar S50

The Horsehead Nebula never gets old. This image is a seven hour integration taken with the S50. I procesed it in Siril with RC Astro tools a...