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This Week's Sky At a Glance

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

Vega is the brightest star very high in the east after dark. Just lower left of it is 4th-magnitude Epsilon Lyrae, the Double-Double. Epsilon forms one corner of a roughly equilateral triangle with Vega and Zeta Lyrae.

Celestial Objects to Observe

M13 with a Side of Galaxies, Please

The Great Hercules Cluster is on everyone's observing list this summer. But there's lots more to see within a stone's throw of this grand object — like 20 galaxies!

Venus and Gemini in mid-June

Sky Tour Astronomy Podcast

Tour June's Sky: Venus, Jupiter & Saturn

As you'll learn in this month's astronomy podcast, Jupiter and Saturn will compete with brilliant Venus for your attention in the late-evening sky.

Betelgeuse's bow shock

Celestial Objects to Observe

Meet Betelgeuse, the Red Giant of Orion

Betelgeuse, the brilliant red star at the right shoulder of Orion, is a supergiant whose girth extends out to the orbit of Jupiter.

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This Week's Sky At a Glance

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

The Big Dipper hangs diagonally high in the northwest after dark this week, while Cassiopeia lies low in the north.

Celestial Objects to Observe

Vesta Gets Close and Bright

Vesta, the brightest asteroid, puts on one of its best shows ever in June, when it shines enough to see without optical aid.

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This Week's Sky At a Glance

This Week's Sky at a Glance, May 25 – June 2

  Friday, May 25 • As the waxing gibbous Moon crosses the sky tonight, Spica hangs below it, as shown in early twilight here. • The Arch of Spring spans the western sky in late twilight, arching over Venus. Pollux and Castor form the Arch's top; they're lined up over…

Space Satellites

Spice Up Your Space Station Watching

The annual International Space Station marathon is underway with multiple passes visible each night. Here are some fun and unique ways to see and share it.

R Leporis Carbon Star

Variable Stars

Observing Carbon Stars

Expand your observing plans by adding a few of these red-orange carbon stars.

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This Week's Sky At a Glance

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

Stars, planets, the Moon, constellations -- daily sky sights for the unaided eye, binoculars and telescopes

Observing

Vega Promises, Venus Visits M35, and a Subtle Comet Shines at Morning

A familiar light shines in the east at dusk, Venus makes a pit stop at a departing star cluster, and Comet PanSTARRS (C/2016 M1) coaxes before dawn.

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This Week's Sky At a Glance

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

This week Venus shines in the west during twilight. Jupiter glares in the southeast at nightfall, and Mars and Saturn rise late at night.

Observing

Jupiter Shines with a Mighty Light

Jupiter's at opposition this week. Close and bright, it shines like a midnight version of Venus. No matter your scope, the biggest planet is always a crowd-pleaser.

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This Week's Sky At a Glance

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

Want to become a better astronomer? Learn your way around the constellations! They're the key to locating everything fainter and deeper to hunt with binoculars or a telescope.

Observing

Time Travel for Skywatchers

Time travel is one of the best things about astronomy. Check out two websites that give skywatchers a more visceral sense of stellar distances and how constellations change shape across the sweep of time.

Variable Stars

Dwarf Nova V392 Persei Goes Big — It's Now Binocular Bright

In a rare move, a sleepy cataclysmic variable blows its top and suddenly becomes a nova.

Venus and Moon, May17-18

Sky Tour Astronomy Podcast

Tour May's Sky: Venus Welcomes Jupiter

This month's astronomy podcast tells you how to use Venus and the Big Dipper to find many bright stars and constellations. Meanwhile, Jupiter lurks low in the east after darkness falls.

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This Week's Sky At a Glance

This Week's Sky at a Glance, April 27 – May 5

Keep an eye on the changing pattern of Venus with Aldebaran and the Pleiades, in the west as twilight fades.

Observing

Seven Nights of Enticing Lunar Sights

Come along for a 7-night tour of some of the Moon's most compelling features visible in small telescopes.

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This Week's Sky At a Glance

This Week's Sky at a Glance, April 20 – 28

Friday, April 20 • This evening the dark limb of the crescent Moon will occult 4th-magnitude multiple star Nu Geminorum, in the feet of Gemini, for parts of the southern U.S. and points south. For rough time estimates at your location, interpolate between the time predictions in the April Sky…