Wednesday, August 1, 2012

A Wall on the Sun




This filament, close to AR 1538 (at the 1 o'clock position), looks almost like a wall stretching to the prominences on the solar limb.






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The Tulip Nebula—Hubble Palette

This image is just over 3 hours of integration on the Tulip Nebula. The image was stacked with star processing, initial histogram stretch, a...