First look at HRCAM images from Dome A, Antarctica

Abstract HRCAM (High Resolution CAMera) is a Canon 50D 15-megapixel digital SLR camera equipped with a Sigma 4.5 mm f/2.8 fish-eye lens. It was installed at Dome A on the Antarctic plateau in January 2010 and photographs the sky every 15 minutes. Primarily functioning as a site-testing instrument, d...

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Bibliographic Details
Published in:Proceedings of the International Astronomical Union
Main Authors: Sims, Geoff, Ashley, Michael C. B., Cui, Xiangqun, Feng, Long Long, Gong, Xuefei, Hu, Zhongwen, Lawrence, Jon S., Luong-Van, Daniel M., Shang, Zhaohui, Storey, John W. V., Tothill, Nick, Wang, Lifan, Yang, Huigen, Yang, Ji, Zhou, Xu, Zhu, Zhenxi
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 2012
Subjects:
Astronomy and Astrophysics
Space and Planetary Science
Antarctic
The Antarctic
Antarc*
Antarctica
Online Access:http://dx.doi.org/10.1017/s1743921312016651
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S1743921312016651
Description
Summary:Abstract HRCAM (High Resolution CAMera) is a Canon 50D 15-megapixel digital SLR camera equipped with a Sigma 4.5 mm f/2.8 fish-eye lens. It was installed at Dome A on the Antarctic plateau in January 2010 and photographs the sky every 15 minutes. Primarily functioning as a site-testing instrument, data obtained from HRCAM provide valuable statistics on cloud cover, sky transparency and the distribution and frequency of auroral activity. We present a first look at data from HRCAM during 2010, including an overview of how we intend to reduce the images. We also demonstrate the potential of stellar photometry by using linear combinations of the in-built Canon RGB filters to convert instrumental magnitudes into the photometric BVR bands.

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