Abstract
From the photographs taken at the total solar eclipse of 11 June 1983, we derived the electron density for the north polar rays and for the thread-like fine structures above the active region, which are 108 at 1.4 solar radii and 3×109 at 1.15 solar radii, respectively. The brightness distributions of the corona at the polar region and above the active region, and the flattening index were also derived.
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Hiei, E., Shimizu, Y., Miyazaki, H. et al. Coronal structure observed at the total solar eclipse of 11 June, 1983 in Indonesia. Astrophys Space Sci 119, 9–15 (1986). https://doi.org/10.1007/BF00648803
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DOI: https://doi.org/10.1007/BF00648803