Prominences

During the Great American Eclipse, the moon covered the brilliance of the sun’s photosphere, revealing the activity occurring at its surface.  Deep red flares of energized gas erupt and eject for thousands of miles, then follow the lines of magnetic force back to the surface.

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Heise Hot Springs, Idaho
21 August 2017
EOS 6D on Televue-85, 480 mm f/5.6


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Corona

Only when the moon covers the sun in a total eclipse can its halo be seen.  This is the corona, a mystery to astronomers, who only get a glimpse of it for a few minutes during totality.  The dot to the lower left is the star Regulus, in the constellation Leo, suddenly visible while the sun is eclipsed.

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Heise Hot Springs, Idaho
21 August 2017
EOS 6D on Televue-85, 480 mm f/5.6
HDR composite of 8 exposures


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Sunset at Mauna Kea

At the top of the tallest volcanic mountains on Hawaii are the world’s premier telescopes.  They are here because the air is calm and dry, high above the clouds and turbulence of lower elevations.  The tradeoff is cold and snow, a small price to pay for the chance to explore the secrets of the universe.

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Mauna Kea, Hawaii
3 January 2017
iPhone7+ panorama


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The Belt of Venus

The rosy glow of scattered twilight in the East is known as the “Belt of Venus”, which rides above the deep blue of Earth’s shadow on the sky.  Here it is witnessed from the vantage of Hawaii’s tallest peak, Mauna Kea, as the world’s premier telescopes prepare for another evening of peering into the universe.

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Mauna Kea, Hawaii
3 January 2017
iPhone7+ panorama


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Nile Star Trails

We are guests on the river boat Omar El Kayan, named after an Arab poet, visiting the areas of Egypt where Lake Nasser, created by the Aswan dam has submerged the ancient temples along the former banks of the Nile river.  Abu Simbel was the most famous, but there were others, and we visited the sites where they had been carefully relocated.

At the end of a hot day navigating the lake, the boat moored. The wind and water were calm and the sky was dark on this section of the Nile.  Out of curiosity I made a series of exposures hoping to capture the feeling of stars above the famous river and the desert around me.  But calm water does not mean motionless water, and the camera recorded the small wave motions rocking the boat on which I was a passenger for the night.

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Nile River near Kasr Ibrim, Egypt
8 October 2016
EOS 60Da with EFS 10-22mm(10mm)
5 minutes, f/4, ISO 1600
Composite of 23 5-minute exposures (~2 hours)


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Abisko Aurora-2

The view from the docks at  the town of Abisko on Lake Trondetraske. The “Gates of Lapland” is seen in the distance as a notch in the wall of mountains.

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Abisko, Sweden
16 Nov 2015
EOS 60Da with EFS 10-22mm(10mm)
30 seconds, f/4.5, ISO 1600


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Ghost Train

During this 8-second exposure, a train enters the view, its headlight illuminating the landscape.  The train adds its own trails of light, including the arcs of its electrical contact with the overhead wire.

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Kiruna Sweden
16 Nov 2015
EOS 60Da with EFS 10-22mm(10mm)
8 seconds, f/3.5, ISO 1600


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