March 2015 star calendar

Star calendar 1–31 March 2015

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1 Mar    Just after sunset, the moon lies between Procyon, 1 fist-width to the right; the Gemini Twins, the same distance above; and Jupiter, farther to the lower left.

2 Mar    Jupiter and the moon rise 2½ hours before sunset. The nearly full moon will be easy to spot, but wait until nightfall to look for Jupiter 3 finger-widths to the moon’s left.

3 Mar    In the west, the moon forms a triangle with Jupiter, 1 fist-width above, and Regulus, 3 finger-widths to the lower left.

8 Mar    The bright star 2 finger-widths to the moon’s right is Spica, normally found by beginning with the Big Dipper, arcing to Arcturus and speeding on to Spica. Working backward from Spica, look 3 fist-widths to the upper left to Arcturus in the constellation Boötes, the Herdsman. Measure another 3 fist-widths to Arcturus’ upper left to the last star in the dipper’s handle, Alkaid. The Big Dipper’s bowl is to the upper left. Can you find Polaris? How about Cassiopeia? Daylight saving time begins at 0200.

12 Mar  Just before dawn, Saturn is 1 finger-width to the moon’s lower right, and Antares is 4 finger-widths to its lower left.

19 Mar  The moon is at perigee, 56.12 Earth-radii (357,584 kilometers) away. With perigee and the new moon only a few hours apart, look for tidal extremes.

20 Mar  The only total solar eclipse of 2015 occurs today; a partial eclipse is visible across Europe, Northern Africa, Greenland, Iceland and much of Russia but not the U.S.

21 Mar  Low in the west at dusk, the moon is less than 2 fist-widths above the horizon. Mars is ½ finger-width to the right.

23 Mar  The moon lies between Venus, 1½ fist-widths to the lower right, and Aldebaran, to the upper left.

24 Mar  High in the west tonight, the Pleiades Cluster is 1 fist-width to the moon’s right, Aldebaran is 2 finger-widths to its upper left, and Orion is 2½ fist-widths to the left.

28 Mar  Procyon is 1 fist-width below the moon, Pollux is the same distance to the upper right, and Jupiter is 1½ fist-widths to the moon’s left.

29 Mar  Jupiter is 3 finger-widths to the moon’s upper left this evening.

30 Mar  Tonight Jupiter is 1 fist-width to the moon’s upper right, and Regulus is to the moon’s lower left.

31 Mar  Regulus is 3 finger-widths above the moon this evening.

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