Abstract
THE ATTRACTION OF SUN-SPOTS FOR PROMINENCES.—In an illustrated article appearing in No. 4, vol. xxxvi., of The Astrophysical Journal, Dr. Slocum shows that in some cases sun-spots apparently have a very strong attraction for prominences. He deals especially with a large group of spots which first crossed the solar disc between August 2 and 15, 1910, and received the Greenwich number 6874; at the next apparition it was numbered 6880, and, reappearing on September 27, as an extended group, its parts were numbered 6894 and 6893.
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Our Astronomical Column . Nature 90, 525–526 (1913). https://doi.org/10.1038/090525a0
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DOI: https://doi.org/10.1038/090525a0