Saturday, August 11, 2012

AR 1542






Although the sun is fairly quiet at the moment, Sunspot 1542 is producing small, C-class flares. Note the prominences at the edge of the sun's disk.

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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...