Abstract
SUN-SPOT OBSERVATIONS IN 1894.—In a Separatabdruck aus der Vierteljahrschrift der Naturforschenden Gesellschaft in Zürich, Jahrgang 4, 1895, Dr. A. Wolfer brings together some results relating to the sun-spot statistics made in Zürich and elsewhere for the year 1894. The pamphlet opens with a determination of the constants for reducing the observations of each observer to one scale.
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Our Astronomical Column. Nature 52, 629 (1895). https://doi.org/10.1038/052629a0
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DOI: https://doi.org/10.1038/052629a0