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    Abstract

    MERCURY VISIBLE AS A MORNING STAR.—Mercury will reach its greatest elongation, 18° 38′ west, in the earlv morning of October 31, and will be visible before sunrise during the period from about October 22 to November 10. The planet will rise about 13/4 hours before the sun, and should be easily visible about an hour before the times of sunrise. Its position will be near the horizon in E. by S., and it will shine with a rosy, fluctuating light about equal to that of a first magnitude star.

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