Star calendar for August 2015

Star calendar 1–31 August 2015

1 Aug    Regulus is 1 finger-width to the upper left of Jupiter, low in the west at dusk.

3 Aug    Mercury has climbed to within 3 finger-widths of Jupiter.

5 Aug    Low in the west at dusk, Regulus, Jupiter and Mercury line up, separated by 1½ finger-widths.

6 Aug    Mercury climbs to Jupiter’s upper right.

7 Aug    Mercury is now above Regulus with Jupiter to the right. They lie within a 1.02-degree diameter circle and set less than an hour after the sun, so look quickly.

12 Aug    The Perseid meteor shower should be at its best tonight and tomorrow night. Low in the west before dawn, the moon lies between Procyon, 1 fist-width to the lower right, Pollux, the same distance to the upper left, and Mars, 4 finger-widths to the lower left.

15 Aug    As it passes between Earth and the sun, Venus is at inferior conjunction.

16 Aug    Low in the west at dusk, Mercury and the moon are separated by less than 3 finger-widths.

17 Aug    The waxing crescent moon lies between Mercury, 1½ fist-widths to the lower right, and Spica, a little farther to the upper left.

19 Aug     Spica is 2 finger-widths below the moon low in the southwest at dusk. Arcturus is 3 fist-widths to the upper right.

20 Aug    The moon lies between Spica, 1½ fist-widths to the lower right, and Saturn, 2 fist-widths to the upper left.

21 Aug    Saturn is 4 finger-widths to the moon’s left this evening.

22 Aug    The moon passes to Saturn’s upper left tonight, with Antares 1 fist-width to the lower left.

24 Aug    The moon is above the dome of the Teapot constellation, Sagittarius. Saturn and Antares are far to the right.

26 Aug    The bright star 2½ fist-widths to the moon’s upper left this evening is magnitude 0.9 Altair, part of the Summer Triangle. The other stars of the triangle are Deneb, 4 fist-widths to Altair’s upper left, and Vega, 2½ fist-widths above or to the upper right of Deneb.

27 Aug    Altair is above or to the upper right of the moon early tonight.

29 Aug    Late this evening, the bright star 2 fist-widths to the lower right of the full moon is Fomalhaut in the constellation Piscis Austrinus, the Southern Fish.

Share this calendar