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Geoscientific Instrumentation, Methods and Data Systems An interactive open-access journal of the European Geosciences Union
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Volume 6, issue 1
Geosci. Instrum. Method. Data Syst., 6, 9–14, 2017
https://doi.org/10.5194/gi-6-9-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Geosci. Instrum. Method. Data Syst., 6, 9–14, 2017
https://doi.org/10.5194/gi-6-9-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 13 Jan 2017

Research article | 13 Jan 2017

Video cascade accumulation of the total solar eclipse on Svalbard 2015

Fred Sigernes1,8, Pål Gunnar Ellingsen1,8, Noora Partamies1,8, Mikko Syrjäsuo1,8, Pål Brekke2,8, Silje Eriksen Holmen1,8, Arne Danielsen3, Bernt Olsen4, Xiangcai Chen1,8, Margit Dyrland1, Lisa Baddeley1,8, Dag Arne Lorentzen1,8, Marcus Aleksander Krogtoft5, Torstein Dragland5, Hans Mortensson5, Lisbeth Smistad5, Craig J. Heinselman6, and Shadia Habbal7 Fred Sigernes et al.
  • 1The University Centre in Svalbard (UNIS), 9171 Longyearbyen, Norway
  • 2Norwegian Space Centre, Oslo, Norway
  • 3Brages 2, 1540 Vestby, Akershus, Norway
  • 4Norwegian Broadcasting Corporation (NRK) Troms and Finnmark, Tromsø, Norway
  • 5Lufttransport AS, Longyearbyen, Norway
  • 6EISCAT Scientific Association, Kiruna, Sweden
  • 7Institute for Astronomy, University of Hawaii, Honolulu, USA
  • 8The Birkeland Centre for Space Science (BCSS), University of Bergen, Bergen, Norway

Abstract. This work presents a novel image accumulation filter technique that reveals small-scale features and details from intense luminosity or high dynamic range (HDR) video recordings. It was discovered and developed from the analyses of the Norwegian Broadcasting Corporation (NRK) film of the total solar eclipse that occurred Friday 20 March 2015 in Longyearbyen (78° N, 15° E) on Svalbard, Norway. The result of the filter is fused with a HDR image of the corona and the Solar Dynamic Observatory (SDO) image of the solar disk.

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The total solar eclipse event on Svalbard on 20 March 2015 gave us a unique opportunity to image the upper parts of the Sun's atmosphere. A novel image accumulation filter technique is presented that is capable of distinguishing features such as loops, spicules, plumes, and prominences from intense and blurry video recordings of the chromosphere.
The total solar eclipse event on Svalbard on 20 March 2015 gave us a unique opportunity to image...
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