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The Night Sky in August

Nature volume 162, page 176 (31 July 1948) | Download Citation

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Abstract

NEW moon occurs on Aug. 5d. 04h. 13m., U.T., and full moon on Aug. 19d. 17h. 32m. The following conjunctions with the moon take place : Aug. 2d. 07h., Venus 9° S. ; Aug. 9d. 05h., Mars 2° S. ; Aug. 14d. 04h., Jupiter 4° N. ; Aug. 31d. 03h., Venus 8° S. Mercury, which rises an hour before the sun on Aug. 1, is in superior conjunction on Aug. 11, and is badly placed for observation during the greater portion of the month. Venus rises at Ih. 40m., Ih. 20m. and Ih. 15m. at the beginning, middle and end of the month, respectively, and can be seen for some hours before sunrise. The stellar magnitude of the planet is about -4·2 throughout August, and the visible portion of the illuminated disk varies from 0·3 to 0·47. Mars sets at 21h. 38m., 20h. 55m. and 20h. 10m. at the beginning, middle and end of the month, respectively, and can be seen for a short time after sunset. Jupiter, in the constellation of Ophiuchus, can be seen low in the evening, setting at Oh. 25m. and 22h. 30m. on Aug. 1 and 31, respectively. The planet is stationary on Aug. 16. Saturn, in conjunction with the sun on Aug. 19, is not well placed for observation. On Aug. 31 the planet rises an hour before the sun but is practically unobservable. No occultations of stars brighter than mag. 6 occur during August. Jhe Perseid meteors attain a maximum about Aug. 10-12, but moonlight will partly interfere with the observation of the shower at that time.

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https://doi.org/10.1038/162176c0

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