First look at HRCAM images from Dome A, Antarctica

Geoff Sims; Michael C. B. Ashley; Xiangqun Cui; Long Long Feng; Xuefei Gong; Zhongwen Hu; Jon S. Lawrence; Daniel M. Luong-Van; Zhaohui Shang; John W. V. Storey; Nick Tothill; Lifan Wang; Huigen Yang; Ji Yang; Xu Zhou; Zhenxi Zhu

doi:10.1017/S1743921312016651

First look at HRCAM images from Dome A, Antarctica

Published online by Cambridge University Press: 30 January 2013

Geoff Sims ,

Michael C. B. Ashley ,

Daniel M. Luong-Van ,

Zhaohui Shang and

John W. V. Storey

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Geoff Sims: Affiliation:
School of Physics, University of New South Wales, Sydney NSW 2052, Australia email: [email protected]
Michael C. B. Ashley: Affiliation:
School of Physics, University of New South Wales, Sydney NSW 2052, Australia email: [email protected]
Xiangqun Cui: Affiliation:
Nanjing Institude of Astronomical Optics & Technology, Nanjing 210042, China
Long Long Feng: Affiliation:
Purple Mountain Observatory, Nanjing 210008, China Chinese Center for Antarctic Astronomy, China
Xuefei Gong: Affiliation:
Nanjing Institude of Astronomical Optics & Technology, Nanjing 210042, China Chinese Center for Antarctic Astronomy, China
Zhongwen Hu: Affiliation:
Nanjing Institude of Astronomical Optics & Technology, Nanjing 210042, China Chinese Center for Antarctic Astronomy, China
Jon S. Lawrence: Affiliation:
Department of Physics and Astronomy, Macquarie University, Sydney NSW 2109, Australia Australian Astronomical Observatory, Sydney NSW 1710, Australia
Daniel M. Luong-Van: Affiliation:
School of Physics, University of New South Wales, Sydney NSW 2052, Australia email: [email protected]
Zhaohui Shang: Affiliation:
Chinese Center for Antarctic Astronomy, China Tianjin Normal University, Tianjin 300074, China
John W. V. Storey: Affiliation:
School of Physics, University of New South Wales, Sydney NSW 2052, Australia email: [email protected]
Nick Tothill: Affiliation:
University of Western Sydney, Sydney NSW, Australia
Lifan Wang: Affiliation:
Purple Mountain Observatory, Nanjing 210008, China Chinese Center for Antarctic Astronomy, China Department of Physics and Astronomy, Texas A&M University, College Station 77843, USA
Huigen Yang: Affiliation:
Chinese Center for Antarctic Astronomy, China Polar Research Institute of China, Shanghai 200136, China
Ji Yang: Affiliation:
Purple Mountain Observatory, Nanjing 210008, China
Xu Zhou: Affiliation:
Chinese Center for Antarctic Astronomy, China National Astronomical Observatories, Chinese Academy of Science, Beijing 100012, China
Zhenxi Zhu: Affiliation:
Purple Mountain Observatory, Nanjing 210008, China Chinese Center for Antarctic Astronomy, China

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Abstract

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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.