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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20 Hours of WR 134 with the Seestar S50

This image is a 20+ hour integration on WR 134, which is a highly energetic Wolf-Rayet star. The blue shockwave is oxygen ionized by the int...