21–40 of 68 results
Trio in Leo

Celestial Objects to Observe

It's Spring! Time to Visit the Bright Galaxies of Leo I

Springtime is galaxy time. Only 30 million light years away, the Leo I Group and nearby Leo Triplet entice the eye with an assortment of bright spiral and elliptical galaxies. Welcome to spring! The new season begins (or began depending on when you read this) at 5:58 p.m. EDT on…

Deep Sky

Deep-sky Hunting in Cancer, the Crab

As winter melts into spring, we sample both familiar and overlooked deep-sky treasures in the "empty space" between Gemini and Leo, home of the Crab.

Deep Sky

Deep-Sky Observing Without Equipment, Part II — The Winter Sky

Really want to see what your eyes can do? Leave the telescope at home and join me for a naked-eye tour of the late winter sky.

Hyades and horseshoe

Explore the Night with Bob King

Happy Nights with the Hyades

The Hyades open cluster may stand in the shadow of its neighbor the Pleiades, but there's a wide variety of wonders here from naked-eye double stars to challenging galaxies. Let's pay a visit.

A star goes poof!

Explore the Night with Bob King

Seeking Cas A, the Ghostly Remains of a Mysterious Supernova

We still don't know for sure if anyone saw the supernova explosion in Cassiopeia around 1680, but there's no question we can observe what remains of it today.

A Colorful problem

Stellar Science

Ducks in Disguise or How Stars Hide Their True Colors

Do star clusters form all at once or over several generations? A team of astronomers finds an answer among the spinning stars of an amateur favorite, the Wild Duck Cluster. 

Double Stars

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.

Horses head to head

Explore the Night with Bob King

Equuleus, the Constellation Nobody Knows

Often passed over in favor of showier sights, the constellation of the Little Horse has charms of its own. Let's saddle up and go for a ride.

Simply extraordinary

Celestial Objects to Observe

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?

Explore the Night with Bob King

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.

Deep Sky

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 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!

Deep Sky

Dusty Vistas: Best Gritty Galaxies of the Season

Stare up at the Milky Way band on a dark night and you'll see missing pieces from clouds of foreground dust that absorb the light of distant stars. There are other mottled "milky ways" just like ours, millions of light-years away.

Variable Stars

Put a Little Bit of Leo in Your Life

We lift the Lion's paw to find a bright, red variable star, a germinating planetary nebula, galaxies rarely visited, and a diversity of doubles.

Deep Sky

Budding and Ancient Star Clusters of the March Sky

Open clusters present a mystery. Some fall apart in a few hundred million years, others hang around for billions. Join me as we visit both the youngest and oldest star clusters in the Milky Way.

Orion's Belt by Bob King

Explore the Night with Bob King

A Winter Night's Sojourn in Orion's Belt

Orion's Belt is a magnetic sight on February nights. Take the bait and revel in a bounty of double and multiple stars, nebulae, and more.

Celestial Objects to Observe

See the Celestial Birds of the Milky Way

Summer is perfect for bird-watching whether that be in the trees or among the stars of the Milky Way. We explore the celestial birds of the season.

Celestial News & Events

Bright Supernova Discovered in "Fireworks Galaxy" NGC 6946

A brand new supernova in NGC 6946 is bright enough to see in modest-sized telescopes. Here's how to find it.

Explore the Night with Bob King

Are You Ready, Willing, and Abell?

A cosmic rabbit hole in the tail of Leo will take you to Abell 1367, a wonderland of galaxies more than 300 million light-years from Earth. Step in and lose yourself in the vastness.

Explore the Night with Bob King

Resolving Andromeda — How to See Stars 2.5 Million Light-Years Away

At 2.5 million light-years away, you might think it's impossible to see individual stars in the Andromeda Galaxy. Let its largest star cloud, NGC 206, show you the way.

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