Star calendar for August 2016

Star calendar 1–31 August 2016

4 Aug      Low in the west at dusk, the moon is less than 1 finger-width to Mercury’s left. They set about an hour after the sun.

5 Aug      The moon and Jupiter are less than 1 finger-width apart tonight.

7 Aug      Spica is 4 finger-widths to the moon’s left this evening.

8 Aug      Spica is 3 finger-widths to the moon’s lower right. The bright star 2½ fist-widths to the moon’s upper right is Arcturus.

9 Aug      The moon is at apogee, 63.38 Earth-radii (404,000 kilometers) away.

11 Aug     The moon, Mars, Saturn and Antares are low in the south tonight. Mars is 3 finger-widths below the moon, and Saturn is closer to the moon’s lower left. Antares is 3 finger-widths below Saturn.

12 Aug     The moon forms a nearly straight line with Saturn and Mars.

14 Aug     The Teapot constellation, Sagittarius, is to the moon’s lower left this evening.

16 Aug     Mercury is at its greatest elongation, 27.4 degrees east of the sun, and sets nearly an hour after the sun. Low in the west as the sky darkens, Venus appears first, followed by Jupiter 1 fist-width to the upper left and then Mercury 4 finger-widths to Venus’ left.

18 Aug     Low in the southeast at midnight, Fomalhaut is 2 fist-widths below the full moon, close to the horizon.

21 Aug     The moon and Fomalhaut rise more than 2 hours after sunset, with Fomalhaut far to the moon’s right. The moon is at perigee, 57.55 Earth-radii (367,000 kilometers) away.

24 Aug [red]    Mars is less than 1 finger-width above Antares, the Rival of Mars. Compare their colors using your binoculars.

25 Aug     Aldebaran is less than 2 finger-widths to the moon’s lower left this morning.

26 Aug     The moon is surrounded by several first-magnitude stars: Aldebaran, 1 fist-width to the upper right, Betelgeuse, a little farther below, Pollux, more than 3 fist-widths to the lower left, and Capella, nearly 3 fist-widths to the upper left.

27 Aug     Tonight Venus and Jupiter pass within 0.07 degrees and set less than an hour after the sun, so look quickly to the west at dusk.

28 Aug     The moon is to the right of Pollux.

29 Aug     Procyon rises a little more than 1 fist-width to the moon’s right, less than 3 hours before sunrise.

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