Tag Archives: Lunar eclipse

Sunlight

After 2 and a half months of darkness the sun has returned to Summit Station. Over the past few weeks we have watched as the mid-day skies grew lighter each day. Any light, however diffuse, is welcome and we have had some beautiful dawn and dusk colors.
Sunrise was officially on January 28, 2018, however due to poor weather and low visibility it was obscured almost the entire week, until Saturday…

Looking out the window I could see the clouds were breaking up, and around 10am I saw the sun’s orb partly shielded by haze. Molten gold, it lit up the clouds and soon stretched its rays to the surface. As I did my station rounds I saw my shadow for the first time since November. I stared in awe as the buildings were bathed in brilliant light, windows and exhaust vents glinting, and the blue surface of the snow turned a pale gold. I blinked away the ice on my lashes and stared into the sun until it was burned into my eyes. Just feeling the light on my face was more than enough. I love the night sky and the darkness, but it must be balanced with the light.

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HDR image of the sunset behind TAWO, the 10m met tower, and the GISP2 borehole

Despite the sun’s return it’s still very cold: -60F today with a windchill of -90F and the sun is above the horizon for just 4 hours. Not quite out of winter. We were also hoping to see the full lunar eclipse on Jan 31, but unfortunately just as it was becoming visible the moon slipped behind a layer of hazy clouds.

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Start of the lunar eclipse on Jan 31

Back in 2015 however, I was here for another lunar eclipse that did not fail to amaze:

Lunar Eclipse

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Filed under Arctic, Greenland, Summit Station, Winter

Lunar Eclipse

Lunar Eclipse

On September 27-28, 2015 the Earth passed between the sun and the moon…all three lining up perfectly. The earth’s shadow fell across the moon causing a Lunar Eclipse. This isn’t particularly rare, eclipses of varying degrees (penumbral, partial, or total) happen almost every year and can be calculated and predicted decades in advance, however this year garnered much attention as a few things came together: Not only was it a total eclipse, it was a Super Moon, meaning physically a little closer to Earth than other full moons this year, it was also a Harvest Moon, the first full moon after the Northern Hemispheres autumnal equinox, and finally it was the last eclipse of a tetrad of lunar eclipses – 4 lunar eclipses each 6 months apart…Pretty amazing!

At Summit Station in Greenland we were front and center for the show. Unfortunately it was pretty stormy this weekend and no one was very optimistic of a good sighting. The sun set at 6:14pm. It was pretty dark with a low blanket of clouds and a fair bit of blowing snow in the 20kt winds. At 10:30pm however I glanced out the window and saw the clouds had cleared, revealing a full moon shining brightly above the blowing snow. I bundled up and headed outside. Everyone was still up – glancing out of windows or huddling near their cameras mounted on tripods. The earth’s shadow was clearly visible from the beginning and we watched as it crept further across the lunar disc. It was -15F without windchill. At 12:47am (2:47am UTC) the eclipse reached totality. The entire moon was in shadow and the more diffuse light bending around Earth bathed the full moon in its picturesque red glow.
Here is a series of photos I took here at Summit:

The full moon prior to the eclipse

The full moon prior to the eclipse

HDR image of the last sliver of moon before totality

HDR image of the last sliver of moon before totality

The Blood Moon

The Blood Moon

The Big House under the full moon

The Big House under the full moon

The Big House under an eerily dark moon

The Big House under an eerily dark moon

There are many beautiful photographs and lots of information on lunar eclipses out there, while we got a great view of the moon it was hard to stabilize the tripod in the gusty 20kt wind for a good shot of the stars.
For more information, and a great technical info-graphic, please check out NASA’s page at: http://eclipse.gsfc.nasa.gov/lunar.html

Earth and Sky has a nice page too: earthsky.org/tonight/
And Wikipedia has a great summary of the process and tables predicting eclipses – though this is Wikipedia, so take it with a grain of salt: https://en.wikipedia.org/wiki/September_2015_lunar_eclipse
Finally, IFL Science posted a timelapse of the eclipse here: http://on.fb.me/1QJpYjG

And finally a few photos I took this week, not eclipse related…

Moon dogs

Moon dogs

The Big House and some stellar "Moon dogs" the other night

Not eclipse related, but a photo of the Big House and some stellar “Moon dogs” the other night

Returning from the SOB after an exciting balloon launch in 30kt winds

Returning from the SOB after an exciting balloon launch in 30kt winds

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Filed under Arctic, Greenland, Stations, Summit Station