Author Archives: johnb

About johnb

– Director of Grainger Observatory, Phillips Exeter Academy.
– Variable-star-crazed astronomer, but have done research in other areas.
– Drummer, archer, pilot, chef, friend, pet owner, husband, father, Train-nut.

A Meditation on The 21 August 2017 Total Solar Eclipse

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The Sun Acts Up: 4-September-2017

There are two massive sunspot groups (and a couple of smaller groups) visible today. This taken at 1434UT using a Nikon D810 and 500mm telephoto through Baader film.  Click image for full resolution.

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High Dynamic Range Imagery

With some more time back at the regular computer, I have had the ability to merge some of the eclipse images together to make a solid HDR image of totality. This is what I call quite the Photoshop workout. This … Continue reading

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Totality from Casper, Wyoming

The eclipse was a perfect success! Clear skies prevailed throughout totality, with forest fire smoke and clouds coming in after it was all done. The temperature dropped from 88 to 68F, stunning! The corona was larger than those I had … Continue reading

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A Casper Saturday: People Arrive!

The town of Casper, WY is now hopping along. A lot more people are here today. We started out with a visit to the Geology Museum on the southwest side of things. They have an excellent display on geologic time … Continue reading

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