Total Eclipse Rewind — July 28, 1851, The First Photo

166 years this week, the first correctly-exposed photograph of a total solar eclipse was made. On July 28, 1851 in the city of Königsberg, formerly a part of Prussia and now the Russian city Kaliningrad, local daguerreotypist Julius Berkowski made his famous exposure. A daguerrotype is a highly polished, silvered copper plate that was treated with iodized silver to sensitize…
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Penumbral Charm / Moon’s Next Move / Jupiter’s Curly Top

Who knew shadows could be so cool? Especially one half-flooded with sunlight! Hopefully you got to see at least part of yesterday’s penumbral lunar eclipse. Seeing any full moon rise is a pleasure, but this one had the added benefit of Earth’s shadow. The shading was subtle at first but became increasingly obvious as the…
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Get Set For Friday’s Penumbral Lunar Eclipse

Friday evening, the Full Snow Moon will look a little weird when it rises in the eastern sky at sundown. That’s because for much of the U.S., the moon will already be in eclipse. Our favorite and only natural satellite slides through Earth’s outer shadow or penumbra that evening. During a partial or total lunar eclipse, the full moon passes…
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Eclipses Of 2017: A Sneak Preview

With the 2017 in sight, let’s look at some of the most anticipated events of the year — I’m talking eclipses! Four of them are on tap in the coming year, two widely visible across North America and two to delight skywatchers in the southern hemisphere. * February 10 — Penumbral lunar eclipse — Visible…
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Sinister Images Of Awe And Terror

Some photos inspire both awe and terror. The two emotions ride back to back when it comes to our experience of nature. For your Halloween pleasure, I wanted to share these several images, one of an aurora over Iceland, and the other a fleeting eclipse of the “black moon” across the face of the sun and…
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