21–40 of 345 results
Noctilucent clouds in British Columbia

Daylight Phenomena

Nights of Noctilucent Clouds

Noctilucent clouds shimmer high in the sky during summer twilight at northerly latitudes.

Ring Nebula

Explore the Night with Bob King

Evenings with the Ring Nebula

Everyone loves this cosmic donut. Like Saturn, the Ring Nebula is a must-see for beginners and seasoned amateurs alike. Whether you're just cutting your deep-sky teeth or attempting to see its central star — one of visual astronomy's Holy Grails — the Ring has it all.

Comet SWAN heads north

Explore the Night with Bob King

Comet SWAN's Final Song

Despite early expectations Comet SWAN appears to be fizzling, providing yet another opportunity to appreciate what makes these objects so unique.

Deep Sky

See Spring's Finest Spiral Galaxies

Spring skies offer some of the best sights of spiral galaxies. Point your scope at some of these magnificent cosmic whirlpools.

Explore the Night with Bob King

Supernovae Light Up in M61 and NGC 3643

Two new supernovae for amateur telescopes are keeping things lively this month.

Comets

Comet SWAN Expected to Put on a Splendid Show

Comet SWAN will grace northern skies in the days to come.

Night Sky Sights

Chase a Potentially Hazardous Asteroid As It Flies by Earth

Break out your binoculars or a small telescope, we've got a busy week ahead! Watch as a bright asteroid approaches Earth, the Moon steals a star, and Comet ATLAS's last hurrah.

Celestial News & Events

New Comet Alert! Quartet of Comets Grace Our Skies

There's a lot happening in the northern sky these days, namely lots of comets! Comet ATLAS (C/2019 Y4) is still worth watching, but look for the new Comet SWAN (C/2020 F8) and Comet ATLAS (C/2019 Y1). And you can still catch a glimpse of our old friend, Comet PanSTARRS (C/2017 T2).

Bob King blog post

Planets

Shadow-casting with Venus

Venus has a been powerful presence at dusk for months — bright enough to cast shadows. How would you like to put it to the test? The Moon won't spoil the darkness until at least April 24th — April 25th if you wait till after moonset — making it the perfect time to see your own shadow by the light of another celestial body.

Explore the Night with Bob King

Oh No! Comet ATLAS Is Fragmenting

Find out when and where to see Comet ATLAS (C/2019 Y4) — and stay tuned to see how bright (or not) this comet gets.

Celestial News & Events

The Pleiades Welcome Venus

You can renew your own cosmic connection on Friday night, April 3rd. That's when the planet Venus will skirt the Pleiades star cluster in a spectacular dusk conjunction visible across much of the planet.

Deep Sky

Easy-to-find Deep-sky Objects for Cold Nights

Cold weather keeping you inside at night? Limit your time outdoors and make the most of your telescope time with these easy-to-find deep-sky gems.

Mini-moon discovered

Celestial News & Events

Earth Has A Mini-Moon — But Not for Long!

Two astronomers discovered a temporary mini-moon captured by Earth — but it's about to win its freedom.

Then and now

Stellar Science

The Fall and Rise of Betelgeuse

With its recent uptick in brightness, Betelgeuse appears to be slowly returning to normal. But will it? Astronomers urge us to keep watch.

Betelgeuse telescopic view

Variable Stars

Is Betelgeuse Approaching a Crossroads?

Astronomers all over are waiting with bated breath to see what Betelgeuse will do next. Is it going to start brightening again on February 21st? Or will it continue to surprise?

Mars at the moon's edge

Explore the Night with Bob King

Watch the Moon Occult Mars Before Sunrise on February 18th

Occultations of stars by the Moon occur routinely, but planetary lunar occultations are much rarer birds. That's why I hope you'll make the effort Tuesday morning February 18th to watch the waning crescent Moon occult the planet Mars.

A bright supernova

Celestial Objects to Observe

The Latest on Betelgeuse, Plus a Bright Supernova and New Comet Iwamoto

The sky provides. This winter, the fading of Betelgeuse caught us all by surprise. Now, as January wraps up, we can add a new comet discovery and a supernova bright enough to see in a 6-inch telescope to an ever-growing list of seasonal sky wonders.

Comet PanSTARRS blooms

Explore the Night with Bob King

Comets to Catch in 2020

Here's the lowdown on which comets will brighten our skies in 2020.

Celestial News & Events

High Hopes for the 2020 Quadrantid Meteor Shower

The annual Quadrantid meteor shower is expected to put on a great early morning show this weekend.

Betelgeuse in Orion

Celestial Objects to Observe

Betelgeuse is Dimming . . . Why?

The bright star Betelgeuse has faded to a historic low as astronomers try to figure out why.

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