This Week's Sky at a Glance, September 6 – 15
The Moon starts the week low in twilight with Venus and Spica, then steps eastward past Antares and the Sagittarius Teapot. Meanwhile, the recurrent nova in Corona Borealis is still keeping us waiting.
This Week's Sky at a Glance, August 30 – September 8
Low in twilight, climbing Venus and descending Spica prepare to pass each other. After dark Vega crosses the zenith, and Scorpius beds down. Mercury shines at dawn.
This Week's Sky at a Glance, August 23 – September 1
We're in peak Milky Way season, and the evenings have become dark and moonless. Andromegasus is up. So is Saturn. Before dawn, the late-risen Moon passes over Jupiter and Mars.
This Week's Sky at a Glance, August 16 – 25
Vega shines overhead as the zenith star at dusk. Jupiter and Mars are separating. When the Moon is just past full it poses next to Saturn — which, by no coincidence, is less than a month from opposition.
This Week's Sky at a Glance, August 9 – 18
The Perseid meteor shower peaks late Sunday night August 11th and maybe Monday night too. Jupiter and Mars have a close conjunction on the morning of the 14th, looking radically different in the same telescopic view.
This Week's Sky at a Glance, August 2 – 11
The Perseid meteors ramp up this week to their peak. Saturn is nicely up in the east by late evening. Jupiter and Mars near their conjunction in the morning sky. And there's a story behind Poniatowski's Bull.
This Week's Sky at a Glance, July 26 – August 4
Very low in the west in bright twilight, have you picked up Venus yet? Binoculars help. Much tougher will be Mercury and Regulus. Their arrangement changes all week.
This Week's Sky at a Glance, July 19 – 28
Scorpius poses at center stage in the south. The Sagittarius Teapot follows behind it. And Rasalhague, the head star of Ophiuchus. turns the Summer Triangle into a big, upright diamond.
This Week's Sky at a Glance, July 12 – 21
Mercury lurks in the sunset. The July Moon rides low across the sky this week as it waxes from first quarter to full. It occults springlike Spica, then passes summery Antares to hang with the Teapot.
This Week's Sky at a Glance, July 4 – 14
The waxing Moon passes Regulus on its way to occulting Spica July 13th. The Kite of Boötes tilts toward the Dipper. And the largest asteroid is at opposition.
This Week's Sky at a Glance, June 28 – July 7
It takes hardly more than a glance up these evenings to check for the anticipated eruption of T Coronae Borealis, the Blaze Star.
This Week's Sky at a Glance, June 21 – 30
The two brightest stars of summer balance across the zenith. Arcturus and Vega represent the two commonest spectral types, and colors, of all the naked-eye stars in the sky.
This Week's Sky at a Glance, June 14 – 23
On solstice week the brightening Moon moves across the evening sky from Spica to Scorpius. On Monday, it helps you find a piece of Centaurus from as far north as southernmost Canada!
This Week's Sky at a Glance, June 7 – 16
The waxing Moon reenters the sky as an evening crescent. Pollux and Castor keep it company. The Big Dipper hangs straight down. And can you still catch wintry Capella? The colder your latitude the better your chance.
This Week's Sky at a Glance, May 31 – June 9
Arcturus and Vega highlight the evening, The Big Dipper quickly pivots. And sorry, tell your friends and family who ask that no "dazzling Parade of Planets" is blazing across the sky. Who makes this stuff up??
This Week's Sky at a Glance, May 24 – June 2
The Big Dipper twists around fast near the zenith, Arcturus almost claims the zenith, the Coma Star Cluster not far away can't quite hide, and T Cor Bor simmers ominously dim.
This Week's Sky at a Glance, May 17 – 26
This week the Moon occults Beta Virginis, then Antares. The last star of the Summer Triangle finally rises before bedtime. On the other side of the sky, the Arch of Spring sinks low.
This Week's Sky at a Glance, May 10 – 19
The waxing Moon this week travels eastward from the horns of Taurus past the heads of Gemini, the Beehive in Cancer, then the forefoot of Leo on its way to occulting Beta Virginis.
This Week's Sky at a Glance, May 3 – 12
This week in the moonless dark, the Summer Triangle appears over the eastern treetops star by star. Leo walks down toward the west. And the Sombrero Galaxy positions itself ideally on the south meridian for your telescope.
This Week's Sky at a Glance, April 26 – May 5
All the planets now huddle around our line of sight toward the Sun. However, these moonless evenings present us the Spring Triangle, the Great Diamond with a sugar sprinkle on its edge, and the Pointers aligned vertically.