Abstract
DISCUSSION OF FACULÆ OBSERVATIONS.—An interesting discussion of the observations of facuke, in which Prof. Mascari compares the frequency and intensity of these phenomena with the solar activity as indicated by sunspots and the variation of the total luminous radiation from the solar disc, appears in No., vol. xxxv., of the Memorie della Societ degli Settroscojbisti Italiani.
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Our Astronomical Column . Nature 74, 185–186 (1906). https://doi.org/10.1038/074185a0
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DOI: https://doi.org/10.1038/074185a0