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Spica points the way to low Mercury and Mars in the dawn, mid-November 2021

Celestial News & Events

This Week's Sky at a Glance, November 12 – 20

Venus, Jupiter and Saturn highlight the dusk. Mercury and Mars are a dawn challenge. And get ready for the barely-almost-total eclipse of the Moon.

Moon passing Venus at dusk, Nov. 7-8, 2021

This Week's Sky At a Glance

This Week's Sky at a Glance, November 5 – 13

In the evening sky the waxing Moon walks up past Venus, then Saturn and Jupiter day by day. And we're in the season of the Summer Triangle Effect.

Pegasus Pisces Andromeda

Sky Tour Astronomy Podcast

November: A Flying Horse and Star Fish

With darkness coming earlier now, take advantage of November's clear evenings to explore the nighttime sky with our audio guided tour.

Moon, Mercury, Spica low in bright dawn, Nov. 3, 2021

Celestial News & Events

This Week's Sky at a Glance, October 29 – November 6

The moonless evenings this week offer three bright planets and deep-sky riches as deep as you can go. Meanwhile, the waning crescent Moon meets Mercury and Spica low in bright dawn.

Earth and Uranus compared

Explore the Night with Bob King

Uranus Queues Up for Opposition

Journey to a remote planet then double back to check in on the latest stirrings of Comet 29P/Schwassmann-Wachmann before touching the finger of dawn.

Moon with Aldebaran and Pleiades, Oct. 22-23, 2021

This Week's Sky At a Glance

This Week's Sky at a Glance, October 22 – 30

As fall proceeds, Jupiter and Saturn shift westward and tilt ever more steeply. Venus gets a little higher and brighter. The waning Moon passes the Pleiades. And as Halloween approaches, Arcturus becomes the Ghost of Summer Suns.

Aurora over a lodge

Imaging Foundations with Richard Wright

How to Photograph the Northern Lights

Follow these tips to help capture auroral displays.

Jupiter impact flash Oct. 15, 2021

Solar System

Jupiter Whacked Again? Japanese Astronomers Record Possible Impact

A group of Japanese astronomers just discovered a potential new impact at the planet Jupiter.

International Observe the Moon Night 2021

People, Places, and Events

International Observe the Moon Night 2021

Join fellow lunar enthusiasts all over the world in celebrating the Moon this weekend.

Moon shines with Jupiter and Saturn, Oct. 15, 2021

Celestial News & Events

This Week's Sky at a Glance, October 15 – 23

The gibbous Moon shines under Jupiter and Saturn, then waxes to full under the Great Square of Pegasus. Cassiopeia stands on end high in the northeast, as Capella glitters far below.

Solar System

How Bright Will Comet Leonard Get?

We examine circumstances and expectations for the current apparition of Comet Leonard, which may become the year's brightest comet.

Moon, Venus, Antares at dusk, Oct. 9-10, 2021

Celestial News & Events

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

The crescent Moon returns to the evening sky, passing Venus, then the Saturn and Jupiter pair. Venus itself passes Delta Sco and then Antares. Auroras may shimmer, the Draconids may sputter; the sky never ceases to call.

Moon-Venus Oct 9-10 2021

Sky Tour Astronomy Podcast

October: Three Planets at Dusk

Take advantage of October's crisp, clear evenings and early-arriving dawns to explore the nighttime sky with our audio guided tour.

Waning Moon passing Regulus at dawn, Oct. 2-3, 2021

This Week's Sky At a Glance

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

Venus shines in twilight; watch Antares and the head of Scorpius slide toward it. Check out Jupiter, and hop from Saturn to two binocular double stars. The evenings are dark for deep-sky observing; the waning Moon crosses Leo before dawn.

Conflagration, Expansion and Fade

Solar System

Comet 29P Undergoes Brightest Outburst in Recent Years

Catch one of the most active small bodies in the solar system during a rare superoutburst.

Cassiopeia open clusters map

Explore the Night with Bob King

Cassiopeia Cornucopia — Pretty Little Clusters All in a Row

See nine unique open clusters in Cassiopeia while barely moving your telescope.

Jupiter and Saturn in Capricornus, late Sept. 2021

Celestial News & Events

This Week's Sky at a Glance, Sept. 24 – Oct. 2

Jupiter and Saturn shine in the south-southeast at dusk, Venus low in the southwest. They're all close to the ecliptic, so a straight line from Jupiter through Saturn points almost exactly to Venus. Don't believe it? Stretch a string tightly between your hands wide apart, hold it up to the three planets, and see for yourself!

M71

Night Sky Sights

The Last Wildflowers: Globular Clusters Greet Autumn

These four globular clusters are easy to find in autumn skies and a perfect way to welcome the season.

Moon under Saturn and Jupiter, Sept. 16-18, 2021

Celestial News & Events

This Week's Sky at a Glance, September 17 – 25

The waxing gibbous Moon shines with Jupiter and Saturn on its way to full. And as summer turns to fall, Deneb replaces Vega as the zenith star after dusk.

Possible Jovian impact flash

Celestial News & Events

Amateurs Spot New Impact Flash at Jupiter

An amateur astronomer has discovered a possible new impact flash in Jupiter's equatorial region. Observers may yet see the dark impact scar.

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