Star Calendar April 2017

Star calendar April 2017

1 Apr     High in the west at dusk, Orion is to the lower left of the waxing crescent moon. Magnitude 0.5 Betelgeuse is 1 fist-width to the left while magnitude 0.85 Aldebaran is almost 1 fist-width to the lower right. Mercury, at its greatest elongation, 19 degrees east of the sun, sets more than 1½ hours after the sun and can be seen low in the west at evening twilight.

2 Apr     Betelgeuse is 1 fist-width below the moon at dusk.

3 Apr     High in the south at sunset, magnitude 0.46 Procyon is 1 fist-width to the first-quarter moon’s lower left. Magnitude 1.22 Pollux is the same distance to the upper left. The bright star 3½ fist-widths below the moon is magnitude -1.09 Sirius, the Dog Star.

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