This Week's Sky at a Glance, March 16 – 24
Watch the low in the east-northeast for the rise of the "Spring Star," Arcturus. Find the Big Dipper high in the northeast and follow the curve of its handle far around and down to see where Arcturus will be.
This Week's Sky at a Glance, March 9 – 17
Friday, March 9 • Just after twilight fades away this week, bright Sirius stands due south on the meridian. Sirius is the bottom star of the equilateral Winter Triangle. The Triangle's other two stars are orange Betelgeuse (Orion's shoulder) to Sirius's upper right, and Procyon to Sirius's upper left.…
This Week's Sky at a Glance, March 2 – 10
Mercury and much brighter Venus glow shyly side by side very low in the west in twilight early in the week, then they slowly pull farther apart.
This Week's Sky at a Glance, February 23 – March 3
Friday, February 23 • First-quarter Moon (exact at 3:09 a.m. on this date EST). For North America this evening, the Moon shines left or upper left of Aldebaran, and farther upper right of Orion, as shown here. The Moon occults Aldebaran in daylight or twilight for northern and western…
This Week's Sky at a Glance, February 16 – 24
Now the waxing crescent Moon is easier to see in the west-southwest after sunset. Its curved side points the way down toward Venus.
This Week's Sky at a Glance, February 9 – 17
Sirius the Dog Star blazes in the southeast after dinnertime, the brightest star of Canis Major. Orion stands high to its upper right.
This Week's Sky at a Glance, February 2 – 10
The Winter Hexagon fills the sky toward the east and south these evenings. Start with brilliant Sirius at its bottom. Going clockwise from there, march up through Procyon, Pollux and Castor, Menkalinan and Capella on high, down to Aldebaran, then to Rigel in Orion's foot, and back to Sirius.
This Week's Sky at a Glance, January 26 – February 3
The Moon, two days past first quarter, shines to the right of Aldebaran and lower left of the Pleiades. The Great Square of Pegasus is sinking in the west.
This Week's Sky at a Glance, January 19 – 27
Sirius twinkles brightly below Orion in the southeast. Around 8 p.m. Sirius shines straight below Betelgeuse in Orion's shoulder.
This Week's Sky at a Glance, January 12 – 20
Friday, January 12 • Sirius, the Dog Star, rises in the east-southeast around the end of twilight now, if you're near latitude 40° north (New York, Denver, Madrid, Athens). From such latitudes, Procyon — left of Sirius, by 2½ fists at arm's length — precedes it up; "Procyon" is from…
This Week's Sky at a Glance, January 5 – 13
Orion strides up the southeastern sky after nightfall in January. Above it glitters Aldebaran. Above Aldebaran are the Pleiades. Far left of them shines Capella.
This Week's Sky at a Glance, December 29 – January 6
In the evening sky tonight, look lower left of the waxing gibbous Moon for Aldebaran, and upper left of the Moon for the Pleiades.
This Week's Sky at a Glance, December 22 – 30
Sirius, the Dog Star, sparkles low in the east-southeast after dinnertime. Procyon, the Little Dog Star, shines in the east to Sirius's left.
This Week's Sky at a Glance, December 15 – 23
As the Summer Triangle sinks in the west, Altair is the first of its stars to go. Start by spotting bright Vega in the northwest at nightfall. The brightest star above it is Deneb. Altair is farther to Vega's lower left.
This Week's Sky at a Glance, December 8 – 16
Astronomy is an outdoor nature hobby. For an easy constellation guide to the evening sky, use the map in the center of Sky & Telescope magazine.
This Week's Sky at a Glance, November 24 – December 2
When Fomalhaut is due south, you'll always find the first stars of Orion beginning to rise in the east, and the Pointers of the Big Dipper due north below Polaris.
This Week's Sky at a Glance, November 17 – 25
As twilight fades, look low in the southwest for Saturn and Mercury.
This Week's Sky at a Glance, November 10 – 18
Vega is the brightest star in the west in early evening. Its little constellation Lyra extends to the left. Somewhat farther left is 3rd-magnitude Albireo, the beak of Cygnus.
This Week's Sky at a Glance, November 3 – 11
The full Moon of November always rides very high in the middle of the night, almost as high as the full Moon of December.
This Week's Sky at a Glance, October 27 – November 4
Saturn, in southern Ophiuchus, glows low in the southwest at dusk this week. It's the only bright planet in evening view.
