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Stereoscopic Determination of All-sky Altitude Map of Aurora Using Two Ground-based Nikon Dslr Cameras : Volume 31, Issue 9 (06/09/2013)

By Kataoka, R.

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Book Id: WPLBN0004002241
Format Type: PDF Article :
File Size: Pages 6
Reproduction Date: 2015

Title: Stereoscopic Determination of All-sky Altitude Map of Aurora Using Two Ground-based Nikon Dslr Cameras : Volume 31, Issue 9 (06/09/2013)  
Author: Kataoka, R.
Volume: Vol. 31, Issue 9
Language: English
Subject: Science, Annales, Geophysicae
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2013
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Kubo, T., Nakai, T., Takahei, T., Yamashita, A., Hampton, D., Mori, Y.,...Shiokawa, K. (2013). Stereoscopic Determination of All-sky Altitude Map of Aurora Using Two Ground-based Nikon Dslr Cameras : Volume 31, Issue 9 (06/09/2013). Retrieved from http://members.worldlibrary.net/


Description
Description: National Institute of Polar Research, 10-3, Midoricho, Tachikawa, Tokyo 190-8518, Japan. A new stereoscopic measurement technique is developed to obtain an all-sky altitude map of aurora using two ground-based digital single-lens reflex (DSLR) cameras. Two identical full-color all-sky cameras were set with an 8 km separation across the Chatanika area in Alaska (Poker Flat Research Range and Aurora Borealis Lodge) to find localized emission height with the maximum correlation of the apparent patterns in the localized pixels applying a method of the geographical coordinate transform. It is found that a typical ray structure of discrete aurora shows the broad altitude distribution above 100 km, while a typical patchy structure of pulsating aurora shows the narrow altitude distribution of less than 100 km. Because of its portability and low cost of the DSLR camera systems, the new technique may open a unique opportunity not only for scientists but also for night-sky photographers to complementarily attend the aurora science to potentially form a dense observation network.

Summary
Stereoscopic determination of all-sky altitude map of aurora using two ground-based Nikon DSLR cameras

Excerpt
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