341–360 of 461 results
5th Jupiter flash on record

Astronomy & Observing News

New Impact Flash Seen on Jupiter

Flash! A comet or asteroid fragment whacked Jupiter on May 26th. It's the sixth time that observers on Earth have witnessed an impact on the giant planet.

Observing

The Summer Triangle Makes its Midnight Debut

Stay up late and you'll see the return of one of the sky's most familiar asterisms, the Summer Triangle. Firefly nights under the arch of the summertime Milky Way will soon be here.

Observing

Gobs of Globs — Tour 16 Spring Globular Clusters

Chandeliers of the galaxy, these distant stellar swarms fire our sense of wonder. Hop on and we'll tour 16 of season's finest!

Observing

Watch Comet Johnson Sprint Through Boötes

Another binocular comet? You better believe it. Comet Johnson takes center stage at nightfall this month and next.

Observing

Sneezing at the Full Moon

Pollen's no friend of the allergy-prone, but there's an upside to your itchy eyes — weird and colorful coronas around the Moon and Sun.

Observing

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.

Observing

Lyrids to Put on a Weekend Light Show

The annual Lyrid meteor shower will add some pop and sizzle to Saturday's pre-dawn sky. With little interference from the Moon, conditions are ideal for meteor watching.

Just Saying Hello

Observing

See a Potentially Hazardous Asteroid From Your Backyard

Get ready for 2014 JO25, the biggest asteroid to fly this close to Earth since 2004. Good news — even a 3-inch telescope will show it! Update: See below for a radar image and animation of 2014 JO25 captured by NASA's Goldstone Solar System Radar on April 18, 2017. Every week, a…

Beautiful Sight in Aquarius

Astronomy & Observing News

Comet PanSTARRS (C/2015 ER61) in Outburst and Binocular Bright

Dawn comet C/2015 ER61 PanSTARRS just underwent a bright outburst and is now an easy binocular object. Take a look before the Moon returns!

Curlicue Madness

Observing

Jupiter Close, Bright, and Up All Night

It's easy to like Jupiter. No other planet offers such a bounty of amazing sights through the telescope, especially this week when it reaches opposition.  On April 7th, the largest planet in the solar system will rise at sunset and shine all night. That's the date Jupiter lines up behind…

Observing

Comet Lovejoy Brightens Quickly, Heads North

Terry Lovejoy's new comet has gone from faint to bright in just three weeks and is now a tempting binocular target at dawn.

Dog Eat Dog Pair

Observing

Sirius B — A New Pup in My Life

Here are some tips on you, too, can see Sirius B, the "Pup" of the Dog Star, Sirius A.

Bright Supernova Beckons

Explore the Night with Bob King

Bright Supernova Erupts in NGC 5643 in Lupus

A recently discovered supernova in Lupus now shines around magnitude +11.5, bright enough to see in a modest telescope. With photos and maps, we'll get you there. I wished I lived in Georgia and not just for the peach trees and warmer weather. No, I'd be able to get up early…

Observing

Comet 41P/T-G-K Greens Up For St. Paddy's Day

Comet 41P/Tuttle-Giacobini-Kresak begins its best showing of the year this week as it slingshots across the Big Dipper into circumpolar skies.

Owl of Atlases Past

Observing

Constellations That Might Have Been

Obsolete constellations may be gone, but they're not forgotten. We revisit their brief glories and learn how to find them in the 21st-century sky.

Observing

Pushing Limits: A Spring Sky Double Star Romp

Push your telescope to the limit and put your eyes to the test with this series of tight-knit springtime double stars.

Observing

Three Crescents and a Sinking Comet

If you're crazy about crescents, you'll find your happy place this week between the Moon and Venus. Meanwhile, we shift our focus from 45P/H-M-P to another famous periodic comet, 2P/Encke.

Deep Sky Prizes

Observing

Hidden Gems in Common Deep-Sky Objects

Many of the deep-sky objects we point our telescopes toward have pleasant surprises, some in plain sight, others hidden and more challenging. Let me introduce you to a few.

Observing

Comet 45P Returns to Dark Skies

With the Moon out of the picture, amateurs can once again check in on comet 45P/H-M-P, now making an appearance in the evening sky.

Advertisement