映像プロデューサーのランディ・ハルバーソンが新たに公開したタイムラプス（低速度撮影）映像は圧巻の一言だ。彼はアメリカ・サウスダコタ州のタイムラプス映像を集めた「ダコタラプス」の主催者だ。
「トレイルズ・エンド」は、2014年撮影のハルバーソンお気に入りの低速度ショットを、2015年早期に撮影したオーロラと合体させた作品だ。ワイオミング、ユタ、サウスダコタの3州で撮影された。映像の多くは、キャンプの最中に「人里離れた小道の先で」撮影したという。
夜間の星空の低速度撮影、天の川やオーロラは、静止画用デジタルカメラを使って長時間露光で撮影される。ハルバーソンは自身のウェブサイトでこう説明した。「10秒から30秒間の長時間露光で、カメラセンサーは、肉眼でみるよりもっと多くの光をとらえることができるんです。天の川とオーロラは、静止画撮影や低速度撮影で見えるほど、肉眼では輝いて見えないんです」。
ハルバーソンはまた、「動画中で太陽のようなものが見えたとしたら、それは実は月です。月は長時間露光で撮影すると太陽のように風景を明るく照らします」と書いている。
また、フルカット30分版の「トレイルズ・エンド」は、ハルバーソン氏のウェブサイトからダウンロードできる。
2014年人類を魅了した宇宙の写真
(01 of29)
This Hubble Space Telescope photo shows NGC 2174, the \"Monkey Head Nebula,\" located 6,400 light-years from Earth. (credit:NASA, ESA, and the Hubble Heritage Team (STScI/AURA))
(02 of29)
A powerful X-class solar flare, one of three X-class flares unleashed by the sun on June 10 and 11, as seen by NASA\'s Solar Dynamics Observatory. X-class flares are the most powerful kind. (credit:Goddard Space Flight Center/AP)
(03 of29)
Hubble image of the barred spiral galaxy M83, the \"Southern Pinwheel,\" which lies 15 million light-years away in the constellation Hydra. This mosaic image was released in January. (credit:NASA, ESA, and the Hubble Heritage Team (STScI/AURA))
(04 of29)
Astronaut Koichi Wakata tweeted this view of a crescent moon rising and the cusp of Earth\'s atmosphere on Feb. 1, 2014. (credit:NASA)
(05 of29)
Galaxy NGC 4258, located about 23 million light-years away from Earth, as seen by NASA\'s Chandra X-ray Observatory. (credit:NASA/CXC/JPL-Caltech/STScI/NSF/NRAO/VLA)
(06 of29)
This photo of a \"rainbow aurora\" was taken by ISS astronaut Alexander Gerst. (credit:ESA/NASA)
(07 of29)
This close-up image of part of Saturn\'s rings was taken by the Cassini spacecraft on June 30. It shows, from left to right, the outer portion of Saturn\'s C ring and the inner portion of the B ring. (credit:NASA/JPL/University of Colorado)
(08 of29)
ISS astronaut Reid Wiseman tweeted this image of a sunrise on Oct. 29. Wiseman wrote, \"Not every day is easy. Yesterday was a tough one. #sunrise\" (credit:Reid Wiseman/NASA)
(09 of29)
This image taken by NASA\'s Solar Dynamics Observatory shows a profile view of coronal loops. Coronal loops are found around sunspots and in active regions. (credit:NASA/Solar Dynamics Observatory)
(10 of29)
This image shows the sunlit side of Saturn\'s rings. It was taken in red light by the Cassini spacecraft\'s narrow-angle camera on Aug. 23. (credit:NASA/JPL-Caltech/Space Science Institute)
(11 of29)
Several celestial objects photographed in the same field of view by Spanish-American astrophotographer Rogelio Bernal Andreo, including supernova remnant Simeas 147, the \"Flaming Star\" nebula, nebula IC 410, and galactic clusters M36 and M38. (credit:Rogelio Bernal Andreo/Deep Sky Colors)
(12 of29)
Astrophotographer Rick Stevenson released this photo of SH2-199, also known as the \"Soul Nebula,\" in December. This emission nebula is located about 6,500 light-years from Earth. (credit: Rick Stevenson/Flickr)
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This Hubble image shows a portion of the Large Magellanic Cloud, a small nearby galaxy that orbits our galaxy, the Milky Way. (credit:ESA/Hubble & NASA)
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A new day dawns on Saturn. The image was taken with the Cassini spacecraft\'s wide-angle camera on Aug. 23. (credit:NASA/JPL-Caltech/Space Science Institute)
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The photo is a composite image of the spiral galaxies NGC 2207 and IC 2163, located 130 million light years away in the constellation Canis Major. The image contains data from the Chandra X-ray Observatory in pink, optical light data from the Hubble Space Telescope in red, green, and blue, and infrared data from the Spitzer Space Telescope in red. (credit:X-ray: NASA/CXC/SAO/S.Mineo et al, Optical: NASA/STScI, Infr)
(16 of29)
In January and February 1979, NASA\'s Voyager 1 spacecraft zoomed toward Jupiter, capturing hundreds of images during its approach, including this close-up of swirling clouds around Jupiter\'s Great Red Spot. This image was assembled from three black and white negatives and newly released. (credit:NASA/JPL)
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An extreme ultra-violet wavelength image of a solar flare captured on Sept. 10. (credit:AP Photo/NASA)
(18 of29)
This Hubble Space Telescope composite image shows a supernova explosion designated SN 2014J in the galaxy M82, at a distance of approximately 11.5 million light-years from Earth. It was taken on Jan. 31, as the supernova approached its peak brightness. (credit:NASA, ESA, and the Hubble Heritage Team (STScI/AURA))
(19 of29)
An image of the Tarantula Nebula (or NGC 2070), located about 160,000 lights years away, released in January. (credit:NASA, ESA, and E. Sabbi (STScI))
(20 of29)
This composite image shows one of the clusters, NGC 2024, which is found in the center of the so-called Flame Nebula about 1,400 light years from Earth. In this image, X-rays from Chandra are seen as purple, while infrared data from NASA\'s Spitzer Space Telescope are colored red, green and blue. (credit:X-ray: NASA/CXC/PSU/K.Getman, E.Feigelson, M.Kuhn and the MYStIX team; Infrared: NASA/JPL-Caltech)
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Saturn\'s moon Tethys captured by the Cassini spacecraft\'s narrow-angle camera on July 14. (credit:NASA/JPL-Caltech/Space Science Institute)
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The Philae lander took this portrait of the Rosetta spacecraft on Sept. 7, 2014, at a distance of about 30 miles from comet 67P/Churyumov-Gerasimenko.\n (credit:ESA/Rosetta/Philae/CIVA)
(23 of29)
The puzzling, fascinating surface of Jupiter\'s icy moon Europa looms large in this newly-reprocessed color view, made from images taken by NASA\'s Galileo spacecraft in the late 1990s. (credit:NASA/JPL-Caltech/SETI Institute)
(24 of29)
A widefield view of the Flame (NGC2024) and Horsehead (IC434) Nebulae in Orion, captured in December by astrophotographer Roger Hutchinson. The pair are approximately 900 to 1,500 light years away. (credit:Roger Hutchinson/Flickr)
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Comet 67P/Churyumov-Gerasimenko, captured on Aug. 3, 2014 by Rosetta\'s OSIRIS narrow-angle camera. (credit:AP Photo/ESA/Rosetta/MPS for OSIRIS Team)
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The Orion Nebula, an immense stellar nursery some 1,500 light-years away. This stunning false-color view was constructed using infrared data from the Spitzer Space Telescope. (credit:NASA/JPL-Caltech)
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NASA astronaut Reid Wiseman captured this image from the International Space Station and tweeted it on Sept. 28, writing, \"The Milky Way steals the show from Sahara sands that make the Earth glow orange.\" (credit:NASA/Reid Wiseman)
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European Space Agency astronaut Alexander Gerst tweeted this photograph taken from the International Space Station to social media on Aug. 29, 2014, writing, \"words can\'t describe how it feels flying through an #aurora. I wouldn\'t even know where to begin….\" (credit:NASA/ESA/Alexander Gerst)
(29 of29)
This view, captured by the NASA/ESA Hubble Space Telescope and released in July, shows a nearby spiral galaxy known as NGC 1433. At about 32 million light-years from Earth, it is a type of very active galaxy known as a Seyfert galaxy--with a bright, luminous center comparable in brightness to that of our entire galaxy, the Milky Way. (credit:ESA/Hubble & NASA, Acknowledgements: D. Calzetti (UMass) and the LEGUS Team)
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