281–300 of 459 results

Observing

Double Your Deep-Sky Pleasure with "Two-in-the-View"

Once you've seen two, a single won't do. Enjoy this selection of multiple deep-sky objects visible in the same field of view of your telescope.

Explore the Night with Bob King

Observing Earth from the Moon

Ever wondered what it would be like to see the Earth from the Moon? Join Bob King as he explores this from the perspective of the Apollo 17 astronauts.

Observing

How Dark Is Your Night Sky?

Traditional and digital tools can help you learn the naked-eye magnitude limit of your sky and find out if the darkness has changed at your observing site.

Observing

The Outer Planets Move In, plus an "Old Moon" Observing Challenge

As the bright planets march westward, Uranus and Neptune become the fresh new faces of fall. And if you've never seen an ultra-thin lunar crescent, here's your chance.

Observing

The Sacred Hour Before Dawn and an Evening Comet Surprise

Silence can sometimes be in short supply, but one sure place to find it is under a starry sky before the first blush of dawn. Comet 29P/Schwassmann-Wachmann erupts again!

Horses head to head

Observing

Equuleus, the Constellation Nobody Knows

Often passed over, the constellation of the Little Horse has charms of its own, including double stars, galaxies, and asterisms. Let's saddle up and go for a ride.

Simply extraordinary

Explore the Night with Bob King

Explore the Veil Nebula

The Veil Nebula, the tattered remains of an ancient supernova explosion, is one of the most spectacular objects in the night sky. Did you know it has two dozen parts visible in amateur telescopes?

Observing

Shadow Play — Summertime Dark Nebulae for Binoculars

Using only binoculars, we explore a host of inky dust clouds, the dark nebulae that smudge the Milky Way on late summer nights.

Crown in the western sky

Observing

R Coronae Borealis Awakes and Pluto Blocks a Star

Sometimes, it's just as exciting to watch a celestial object fade or disappear as it is to see it explode. We celebrate the "return" of a mysterious variable star and prepare for Pluto to occult a star.

Lunar eclipse

Observing

Red Moon Meets Red Planet in Longest Total Lunar Eclipse of the Century

Not only will the Moon will be totally eclipsed this Friday, but Mars will be at opposition and shine in tandem with the red Moon all night!

Observing

PanSTARRS Comet, Rocked by Outburst, Goes Green

Comet PanSTARRS (C/2017 S3) has erupted again! Now bright enough to see in binoculars, it might become a naked-eye object if it survives until perihelion.

Astronomy & Observing News

Observers Anxious for Dust to Settle as Mars Opposition Approaches

With opposition only weeks away, will the current global dust storm finally break? We look at the prospects.

Aldebaran Occultation

Celestial News & Events

Don't Miss Aldebaran's Last Occultation Till 2033

The last and one of the most picturesque occultations of Aldebaran by the Moon happens on Tuesday morning, July 10. Catch it or wait 15 years for the next!

Observing

The Eyes Have it — Deep-Sky Observing Without Equipment

No telescope? No problem. Just use your eyeballs! On a dark summer night at least two dozen deep-sky objects can be seen without optical aid.

Celestial News & Events

Big Dust Storm Blows up on Mars (Updated)

Will Mars soon be hidden under a veil of dust? Let's hope not. We explore the current storm and the planet's upcoming close opposition.

Seeing

Observing

Quest for the Green Flash

If you like sunrises and sunsets, look for the green flash, a phenomenon that happens more often that you think.

Incoming!

Astronomy & Observing News

Asteroid 2018 LA Explodes Over Botswana Hours After Discovery

Don't look now — it's already gone! Asteroid 2018 LA screeched into Earth's atmosphere only 7 hours after its discovery to create a Sun-bright spectacle over South Africa and Botswana.

Observing

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.

Observing

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.

Astronomy Blogs

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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