February 2015 star calendar

Star calendar 1–28 February 2015

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1 Feb     At dusk, the first stars visible near the moon are Procyon, 1 fist-width to the lower right, and Betelgeuse, 2 fist-widths to the upper right. Soon the Gemini Twins follow 1 fist-width to the upper left.

5 Feb     Jupiter, Regulus and the moon line up in the east tonight.

11 Feb   The moon is midway between Spica to the right and Saturn to the lower left. Look for third-magnitude Zubenelgenubi in the constellation Libra, the Scales, less than 1 finger-width below the moon.

12 Feb   Saturn, the ringed planet, is 3 finger-widths to the moon’s lower left before dawn.

13 Feb   The moon, Saturn and Antares form a tight triangle low in the south before dawn. Saturn is 3 finger-widths to the moon’s upper right and Antares 4 finger-widths to its lower right.

16 Feb   With Mercury less than a week from its greatest western elongation, it should be easier to spot 4 finger-widths to the moon’s lower left low in the east before dawn.

18 Feb   Look for Venus 2 fist-widths above the western horizon soon after dusk during the next few evenings. As the sky darkens, Mars becomes visible 1 finger-width above Venus.

19 Feb   Little more than ½ finger-width separates Venus and Mars tonight.

20 Feb   Using binoculars, look low in the west at dusk to see the moon 2½ fist-widths above the horizon. Venus soon appears ½ finger-width to the moon’s lower left. As light fades, Mars becomes visible ½ finger-width to the moon’s left.

21 Feb   Before dawn, Mars is less than ¼ finger-width to Venus’ upper right, low in the west.

22 Feb   Having passed Mars, Venus is ¼ finger-width to its upper left.

23 Feb   Climbing farther from Mars, Venus is now ½ finger-width to the upper left.

25 Feb   Soon after dusk, use binoculars to see Aldebaran ½ finger-width to the moon’s lower right.

26 Feb   Venus is now 1 finger-width to Mars’ upper left.

28 Feb   High in the southwest tonight, the Gemini Twins are 1 fist-width to the moon’s upper left. Procyon is 1 fist-width below or to the lower left of the moon.

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