Abstract
RARELY visible, and always difficult to observe satisfactorily in a telescope, this planet is yet a most attractive object to the unaided eye. Not receding to a greater distance than 28° from the sun, he is, however, never above the horizon in England for a longer period than two and a quarter hours before sunrise, or for a similar interval after sunset. When an evening star in the spring months or a morning star in the autumn season, he may often be caught and watched tor an hour or so, shining with a sparkling, rosy lustre, and presenting much the same aspect as a fixed star.
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DENNING, W. Mercury as a Naked Eye Object . Nature 61, 430–431 (1900). https://doi.org/10.1038/061430b0
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DOI: https://doi.org/10.1038/061430b0