Sky chart

This Week's Sky at a Glance

Sky at a Glance, May 16 – 24

Friday, May 16 Look for Mercury as twilight darkens. It's low in the west-northwest, far to the lower right of Jupiter and lower left of Capella. Mercury is having its highest showing of 2014 (for skywatchers at mid-northern latitudes). Saturday, May 17 Arcturus shines high in the southeast these nights. Vega shines much lower...

This Week's Sky at a Glance

This Week’s Sky at a Glance, August 1 – 9

Friday, August 1 At dusk this evening, the Moon forms the lower-right end of a very long, curving line of celestial objects. Counting to the Moon's upper left, these are Spica, Mars, and Saturn, as shown here. Today is Lammas Day or Lughnasadh, one of the four traditional "cross-quarter" days midway between the solstices...

This Week's Sky at a Glance

This Week’s Sky at a Glance, August 8 – 16;

Friday, August 8 Already you may see an occasional Perseid meteor if you keep an eye on the night sky. The shower's peak night is predicted for next Tuesday (August 12–13), but moonlight will compromise the view all week. Look northeast as the stars come out for W-shaped Cassiopeia. It's still not quite as...

This Week's Sky at a Glance

This Week’s Sky at a Glance, July 25 – August 2

Friday, July 25 Mars and Spica shine in the southwest at nightfall. Mars keeps pulling farther away from Spica; they're now 6° apart. Saturn glows pale yellow to their upper left. Arcturus sparkles high to their upper right. Saturday, July 26 New Moon (exact at 6:42 p.m. EDT). Summer is hardly more than a...