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Planetary NGC 6842

Celestial Objects to Observe

Steamy Nights at the Galactic Equator

Here's an observing guide to both familiar and lesser-known deep-sky objects that inhabit our galaxy's equatorial zone.

Photo showing the constellation Cygnus the Swan, along with the Summer Triangle stars and the Milky Way galactic plane

Celestial Objects to Observe

Meet the Cygnus, the High-Flying Swan

Meet Cygnus, the Swan, a high-flying constellation that looks like its namesake and has a rich mythological history.

Regulus approaching Venus in twilight, July 3, 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, July 3 – 12

Regulus creeps up to Venus in twilight this week. Vega and Arcturus balance across the zenith. And this being July, Scorpius decorates the south.

Spica in July 2026

Sky Tour Astronomy Podcast

July Podcast: Spotlight on Spica

This month’s episode highlights the bright star Spica, now prominent high in the southwest after evening twilight. It’s leading the parade of constellations, along with the brilliant planet Venus, that will grace the Northern Hemisphere’s summer skies. You'll also get to know other brights stars in Spica’s vicinity, along with excellent tips on how to be a better stargazer. So grab curiosity and come along on this month’s Sky Tour.

Moon passing Antares in Scorpius, June 26-28. 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, June 26 – July 5

The almost-full Moon steps past orange Antares between Friday and Saturday evenings, June 26th and 27th.

This Week's Sky At a Glance

This Week's Sky at a Glance, June 19 – 28

The Moon as it will appear in an amateur telescope at 10 p.m. EDT Friday the 19th. This week Venus and Jupiter continue moving apart low in the western twilight. Vega and Arcturus shine equally high after dark. And watch Beta Lyrae self-eclipse.

Venus Moon occultation June 18, 2007

Celestial Objects to Observe

See Venus Disappear in Broad Daylight on June 17th

On June 17th, much of North America can watch the Moon occult Venus in the daytime sky. All you need are binoculars.

Venus, Jupiter, and Mercury in twilight, June 12, 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, June 12 – 21

The three planets in the western twilight are pulling away from each other now. On Wednesday, the Moon will occult Venus in daylight.

Multiple-ringed crater on Jupiter's icy moon Callisto

Celestial Objects to Observe

Meet Callisto, Jupiter's Ancient Moon

Meet Callisto, the heavily cratered moon that's the most distant of the Galilean satellites from Jupiter.

Venus and Jupiter in conjunction at dusk, June 9, 2026, with Mercury below them

This Week's Sky At a Glance

This Week's Sky at a Glance, June 5 – 14

Bright Venus and Jupiter pass through conjunction in twilight this week, while Mercury, Pollux, and Castor watch them from nearby.

November 12, 2025 aurora

Celestial Objects to Observe

Chance of Aurora Extends to Friday Night, June 5th

A geomagnetic storm expected June 4th arrived late. But there's still at chance of seeing auroras Friday night, June 5th.

Jupiter Venus near-conjunction with a cellphone

Observing

Venus, Jupiter Converge in Stunning June 9th Dusk Conjunction

A beautiful conjunction is coming, and all you need are your eyes to enjoy it.

Venus-Jupiter-Mercury-Moon June 15-17

Sky Tour Astronomy Podcast

June Podcast: Dance of the Planets

This month’s episode highlights the close pairing of Venus and Jupiter under way in the western sky after sunset. You'll also learn why astronomers are fixated on a star in Corona Borealis — and how to find a huge but dim constellation that will likely be new to you. So grab curiosity and come along on this month’s Sky Tour.

Summer Triangle in the eastern sky on late spring evenings: Vega, Deneb, Altair

This Week's Sky At a Glance

This Week's Sky at a Glance, May 29 – June 7

Venus and Jupiter grab your eyes in the west in late twilight. The Summer Triangle marks the dark in the east. So will the subtler Milky Way once the glary Moon is gone.

Southern Milky Way star clouds

Celestial Objects to Observe

Lost in the Star Clouds — A Milky Way Odyssey

I share my "discovery" of a new Milky Way star cloud that's been staring at me for ages.

Moon_first-quarter_10-pm-EDT-May-23-2026_NASA-Visualization_FEATURED.jpg

This Week's Sky At a Glance

This Week's Sky at a Glance, May 22 – 31

Venus and Jupiter — the Evening Star and the False Evening Star — draw closer together in the western twilight and point down to Mercury. The waxing Moon shows off its rich telescopic detail.

The waxing crescent Moon passes Venus and Jupiter in the western twilight, May 18-20, 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, May 15 – 24

The Moon, Venus, and Jupiter — the three brightest celestial objects after the Sun — will form up beautifully in twilight this Monday, Tuesday, and Wednesday.

Venus and crescent moon

Observing

Moon and Planets to Gather in Twilight Spectacle on May 18–20

Watch the crescent Moon dance with the planets when it returns next week.

Jupiter shines in Gemini with Pollux and Castor in evening twilight, May 8, 2026

This Week's Sky At a Glance

This Week's Sky at a Glance, May 8 – 17

Jupiter, shining high the western dusk, inches down day toward brighter Venus. Venus, meanwhile, creeps toward the horntip stars of Taurus and stands between them on May 13th.

Leo, the Lion

Celestial Objects to Observe

Meet the Constellations: Leo, the Lion

Leo, the Lion, is one of the most recognizable of the spring constellations, with its large size, distinctive shape, and plentiful bright stars.

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