Sunspot observations at KAAU solar observatory

Details Sunspot observations at KAAU solar observatory Sunspot observations at KAAU solar observatory

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.222..227a&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 222, no. 1-2, p. 227-230

Physics

1

Astronomical Spectroscopy, Plasmas (Physics), Solar Atmosphere, Sunspots, Data Processing, Solar Observatories

Scientific paper

Sunspot observations are taken on a regular basis, and then analyzed in a systematic methodology at the Dept. of Astronomy at King Abdul Aziz University (KAAU). In this article we investigate the accuracy of these observations for the period of 12 years (1982-1993), and compare them to that of the international Sunspot Index Data Center (SIDC) derived by A. Koeckelenbergh in Brussels, Belgium. A mean value of Kappa, of the order 1.76, was calculated and showed a very good agreement with the international results. Our results could potentially be utilized locally and internationally for different study and research purposes.

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