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This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, March 18 – 26

As winter turns to spring, Orion declines in the southwest after dark with his Belt roughly horizontal. Equinox on Saturday.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, March 11 – 19

Just after dark Friday, look for the waxing crescent Moon low in the west. Upper right of the Moon by about 14° are the leading stars of Aries.

This Week's Sky At a Glance

This Week's Sky at a Glance, March 4 – 12

Leo stands over bright Jupiter at nightfall this week. The Big Dipper glitters high in the northeast and Sirius blazes due south.

This Week's Sky At a Glance

This Week's Sky at a Glance, February 26 – March 5

After dinnertime this time of year, four carnivore constellations stand in a row from the northeast to south: Ursa Major, Leo, Hydra, and Canis Major.

This Week's Sky At a Glance

This Week's Sky at a Glance, February 19 – 27

On Friday the waxing gibbous Moon shines below Castor and Pollux. On Tuesday the just-past-full Moon shines with Jupiter after they both rise at end of twilight.

This Week's Sky At a Glance

This Week's Sky at a Glance, February 12 – 20

The biggest well-known star pattern is the Winter Hexagon, marked by the stars Sirius, Procyon, Pollux, Castor, Beta Aurigae, Capella, Aldebaran, and Rigel.

This Week's Sky At a Glance

This Week's Sky at a Glance, February 5 – 13

See all five naked-eye planets at dawn, though Mercury is getting low. On Saturday morning, the crescent Moon, Venus, and Mercury form a triangle low in the southeast.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, January 29 – February 6

The last-quarter Moon rises around 1 a.m. Sunday night, in company with Mars. By the dawn of Monday the 1st they're high in the south.

This Week's Sky At a Glance

This Week's Sky at a Glance, January 22 – 30

See all five planets at dawn! The nearly-full Moon shines in Gemini Friday evening — with Castor and Pollux to its left and Procyon to its lower right.

This Week's Sky At a Glance

This Week's Sky at a Glance, January 15 – 23

The Moon shines in dim Pisces upper left of the Great Square of Pegasus. Does the half-lit Moon look just a trace bigger than usual? It's about at perigee.

This Week's Sky At a Glance

This Week's Sky at a Glance, January 8 – 16

Comet Catalina (C/2013 US10) is fading but still within view. A special treat on January 9th: Venus and Saturn just half a degree from each other.

This Week's Sky At a Glance

This Week's Sky at a Glance, January 1 – 9

Comet Catalina (C/2013 US10) remains visible very high in the southeast before the first light of dawn. For more to see, look to Orion in prime view.

This Week's Sky At a Glance

This Week's Sky at a Glance, December 25 – January 2

The Christmas Moon, a day past full, hangs in Gemini. Look for Castor and Pollux to its left. High above shines the constellation Auriga.

This Week's Sky At a Glance

This Week's Sky at a Glance, December 18 – 27

Friday evening, the first-quarter Moon shines under the left side of the Great Square of Pegasus. Can you see the Moon moving with respect to this line as the hours go by?

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, December 11 – 19

Sirius is the brightest star in the night sky. Have you ever tried to catch Sirius rising? It rises between 7:30 and 8:30 p.m., depending on where you live.

This Week's Sky At a Glance

This Week's Sky at a Glance, December 4 – 12

The Summer Triangle remains in the western sky these cold evenings. Its brightest star is Vega; look above for Deneb and farther to Vega's left is Altair.

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