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Moon a day past first quarter. LRO simulation with labels, evening of Sept. 23, 2026.

This Week's Sky At a Glance

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

Every evening the waxing gibbous Moon reveals a wealth of new telescopic detail. Can you still catch Venus low in twilight as it nears conjunction? On the opposite side of the sky, Saturn nears opposition.

NGC 7331 with supernova 2026aaiv

Observing

Second Bright Supernova in Spiral Galaxy NGC 7331 in a Year

A familiar galaxy in Pegasus hosts a supernova bright enough to see in a 4-inch telescope.

Crescent Moon stepping past Venus low in the west-southwest, Sept. 13-14, 2026 (for North America)

This Week's Sky At a Glance

This Week's Sky at a Glance, September 11 – 20

Very low after sunset, the crescent Moon steps past Venus from Sunday to Monday. A couple days later, it steps past higher Antares.

Venus sinks down and away in twilight.

This Week's Sky At a Glance

This Week's Sky at a Glance, September 4 – 13

Venus is sinking down and away. The Sagittarius Teapot pours out its tea as summer nears its end. Saturn rises around nightfall and climbs high as night grows late.

Jupiter daylight occultation

Celestial Objects to Observe

Tuesday's Daytime Jupiter Occultation a Warm-Up for the "Big One"

A daytime occultation to whet your appetite for next month's spectacular show.

Vega & vicinity web

Sky Tour Astronomy Podcast

September Podcast: Vega & Its Vicinity

This episode takes you on a tour of the stars and planets that you’ll see overhead during September. First, we’ll check out this month’s equinox and Harvest Moon; then we’ll track down the bright planets, explore some lesser-known constellations, and bounce around the Summer Triangle. It’s a great introduction to the late-summer sky. So grab your curiosity, and come along on this month’s Sky Tour.

Venus and Spica in conjunction, Sept. 1, 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, August 28 – September 6

Venus and Spica finally have their conjunction just as they sink way down in twilight. After dark, Boötes and the Big Dipper have assumed their late-summer pose.

Lunar eclipse March 14, 2025

Celestial Objects to Observe

Next Up! A Deep Partial Lunar Eclipse on Aug. 27–28

A near-total lunar eclipse wraps up August's trifecta of two major eclipses and the Perseids.

Altair skyscape

Celestial Objects to Observe

Meet Altair, the Eagle’s Eye

Altair, centerpiece of Aqulia, the Eagle, is the twelfth-brightest star in the night sky and one of the closest stars to Earth.

Moon east of Antares, Aug. 21, 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, August 21 – 30

The waxing Moon is on its way to a not-quite-total lunar eclipse Thursday the 27th. On Friday the 21st, it's still east of Antares in the evening sky.

Moon passing Venus and Spica at dusk, August 15-17, 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, August 14 – 23

After eclipsing the Sun last Wednesday, the Moon returns to the evening sky as a crescent low in twilight. Watch it pass Venus, then Spica.

Perseids 2018

Observing

A Perfectly Timed Perseid Meteor Shower

With a new Moon in play, skywatchers anticipate a fine Perseid performance this year.

April 2024 total solar eclipse corona and diamond ring

Celestial Objects to Observe

Rare Total Solar Eclipse-Perseid Meteor Shower Double-Header August 12th

The only total solar eclipse of the year coincides with the Perseid meteor shower. Here's what you need to know to watch the eclipse.

Venus and Spica low at dusk, early August 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, August 7 – 16

In twilight, watch bold Venus and tiny Spica approach each other to meet September 1st. And check whether you'll be able to see anything of Wednesday's solar eclipse!

Bright stars of Delphinus

Celestial Objects to Observe

Meet the Constellations: Delphinus, the Dolphin

Delphinus, the constellation looks just like a tiny Dolphin that's splashing its way through the sky amidst other famous summer sights.

Map of eclipse track

Celestial Objects to Observe

Plan for Next Year's Total Solar Eclipse: August 2, 2027

The longest total solar eclipse visible from land until 2114 will sweep across Spain and North Africa on August 2, 2027. Here’s how to choose where to watch it.

solar & lunar eclipses in August 2026

Sky Tour Astronomy Podcast

August Podcast: Three Big Events!

This month we’ve got three big celestial events to cover: eclipses of the Sun and Moon, and especially good prospects for the Perseid meteor shower. Plus we’ll track down a few planets, and gaze at the center of our galaxy. So load up on the bug juice, and come along on this month’s Sky Tour.

Aquila, Delphinus and Sagitta high in the July-August evening sky

This Week's Sky At a Glance

This Week's Sky at a Glance, July 31 – August 9

Once the bright Moon is out of the evening sky by Monday or so, use Altair high in the southeast to find little Delphinus and Sagitta roughly a fist at arm's length from it.

Moon passing Antares and upper Scorpius, July 23-25, 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, July 24 – August 2

The waxing gibbous Moon passes Antares. Turn the Summer Triangle into the Summer Diamond. And as you snuggle into bed, would Vega land on your roof if it dropped out of the sky?

10P/Tempel ancient dust trail

Celestial Objects to Observe

Comet 10P/Tempel Brightens, Sets Sail South

This periodic visitor is now bright enough to see in binoculars from a dark sky. We also report on a bright supernova in Ursa Major.

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