Abstract
COMET 1906d.—From an observation made at Lyons on July 21, M. J. Guillaume recorded that Finlay's comet, on that date, had a nebulous appearance with diffuse edges, and that the central condensation was of the twelfth magnitude, the magnitude of the whole object being 11.5.
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Our Astronomical Column . Nature 74, 417–418 (1906). https://doi.org/10.1038/074417a0
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DOI: https://doi.org/10.1038/074417a0