Friday, May 1, 2015

A Quiet Sun--May Day 2015

Happy Obby Oss Day!

Even though the sun is very quiet at the moment, and virtually featureless in visual light, H-Alpha shows some really interesting features, like the looping prominence and long filaments captured in these images.

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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...