Night Sky in September

    Abstract

    FULL moon occurs on Sept. 2d. 20h. 21m. U.T. and new moon on Sept. 17d. 12h. 37m. The following conjunctions with the moon take place: Sept. 11d. 06h., Saturn 0·7° N.; Sept. 16d. 01h., Mercury 5° S.; Sept. 16d. 08h., Jupiter 3° S.; Sept, 19d. 00h., Mars 5° S.; Sept. 19d. 11h., Venus 5° S.In addition to the above, the following planetary conjunctions also take place: Sept. lOd. 02h., Venus in conjunction with Mars, Venus 0·5° N.; Sept. 23d. 16h., Mercury in conjunction with Jupiter, Mercury 0·1° N. Mercury is in inferior conjunction on Sept. 6, stationary on Sept. 15, and attains its greatest western elongation on Sept. 22. The times of rising of the planet at the beginning, middle and end of the month are 6h. 31m., 4h. 15m., and 4h. 32m. respectively. Venus sets at 19h. 29m., 18h. 48m., and 18h. 23m. at the beginning, middle and end of the month, and is not very well placed for observation. Mars and Jupiter are too near the sun for favourable observation. Saturn can be seen late at night or in the early morning hours; at the end of September the planet rises at 22h. The autumn equinox commences on Sept. 23d. 04h.

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    Night Sky in September. Nature 154, 267 (1944). https://doi.org/10.1038/154267d0

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