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The Earth Story

@earthstory / earthstory.tumblr.com

This is the blog homepage of the Facebook group "The Earth Story" (Click here to visit our Facebook group). “The Earth Story” are group of volunteers with backgrounds throughout the Earth Sciences. We cover all Earth sciences - oceanography, climatology, geology, geophysics and much, much more. Our articles combine the latest research, stunning photography, and basic knowledge of geosciences, and are written for everyone!
We hope you find us to be a unique home for learning about the Earth sciences, and we hope you enjoy!
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This 3-minute music video, in 4K, features exclusively real-time videos of the Northern Lights, shot from at sea along the coast of Norway in March 2019.
In this video there is no time-lapse and none of the sequences are sped up. The motion is as the eye saw it, though the camera, even in short exposures, picks up the colours better than the eye. Nevertheless, this provides a good approximation of what the eye sees during a good display of aurora.
The green is from glowing atomic oxygen; the lower pink fringes are from molecular nitrogen.
I shot all the sequences from February 27 to March 3, 2019, from the deck of the Hurtigruten ferry and cruise ship the m/s Trollfjord, on the 12-day voyage from Bergen to Kirkenes and back to Bergen, Norway. For a large part of that voyage the ship is north of the Arctic Circle and also under the main band of the auroral oval, making Northern Lights viewing one of the main attractions of the cruise in late autumn to early spring.
On this trip we enjoyed five nights with clear skies and aurora, with the video sequences included here shot on four of those nights: February 27, March 1, 2 and 3. On March 1 we had our best show when the ship was in port in Bjåtsfjord along the far northern coast of Norway.
I was serving as an instructor for a tour group from the Road Scholar educational travel company. See RoadScholar.org.
The music is the composition “Life’s Wonder” by the composer Steven Gutheinz, from the 2014 album Inspiring Minimalism. It is used by kind permission of West One Music. See stevengutheinz.com/music.htm
Website: amazingsky.com eBook on Nightscape and Time-Lapse photography: amazingsky.com/ nightscapesbook.html Blog: amazingsky.net
TECHNICAL: I shot the real-time video clips with a Sony a7III camera and the Venus Optics 15mm lens at f/2, using the 4K movie mode at 24 frames per second for full-frame 4K. To minimize noise, I used a dragged shutter speed of 1/4 to 1/15 second at ISO 12,800 to 51,200.
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We traveled to Iceland for a week in September to explore its Highlands and look for places less crowded. Not only we found those, but also 6 out of 7 nights we were blessed with Northern Lights just as the season was getting started. We will return for more.
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natgeo Video by @renan_ozturk A real-time video capture of a pulse of Northern Lights in Iceland. What you're hearing in the audio is the reaction that @taylorfreesolo @burkgnar and the team of surfers and filmmakers were having when this burst suddenly erupted above us like a swirling tide-pool of water. Seeing people's reactions to the sheer wonder of our planet inspires me to keep creating images that can create positive change and understanding. 
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natgeotravel Video by @babaktafreshi The World at Night project This is how aurora looks like in a real-time video, captured last week in Iceland. Many of the aurora videos, including those I posted here in the past, are timelapse that show the phenomenon much faster than reality. This is the natural speed to the human eyes. An active aurora still has dramatically fast changes in real-time, every second. I first filmed aurora in 2003 from a deck of an icebreaker on the way to Antarctica. At that time the result was too noisy even with the top-end cameras. Now some sensors are able to capture it in low-noise when used at a very high ISO and with a fast f1.4 lens. 
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