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NTB via Juno

Variable Stars

Stormy Times on Jupiter, Comet Howell Steps Up, and More

Colder weather might be coming, but don't pack away that telescope! You'll miss a powerful storm that's remaking Jupiter's North Temperate Belt, a returning comet, Mira on the rise, and a bright supernova in the Great Bear.

Sharing Comet NEOWISE

Explore the Night with Bob King

Comet NEOWISE Dazzles at Dusk

Comet NEOWISE has captivated skywatchers with its stunning tail. Now that it's moved into the evening sky and climbing higher each night even more people will get a chance to see it.

Comet NEOWISE

Explore the Night with Bob King

Comet NEOWISE Delights at Dawn

Skywatchers are treated to a naked-eye comet as NEOWISE emerges into the the dawn sky.

Lemmon in bloom

Celestial Objects to Observe

Anticipation Grows for Comets NEOWISE and Lemmon

Two comets spark excitement for the coming week — NEOWISE might reach naked-eye visibility at dawn, while Lemmon will be visible in binoculars at dusk.

Celestial Objects to Observe

Comet SWAN Expected to Put on a Splendid Show

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

Celestial Objects to Observe

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).

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.

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

Celestial News & Events

Comets to Catch in 2020

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

Interstellar Comet Borisov

Celestial News & Events

Will Amateurs Be Able to See the New Interstellar Comet?

Only the second object thus far to visit the solar system from interstellar space, Comet Borisov is expected to reach perihelion in December. What can we see now?

29Pgoes pop!

Explore the Night with Bob King

Where Have All the Comets Gone?

It seems like forever since a bright comet has come around. We look at current and future prospects.

Celestial News & Events

Comet Iwamoto Ascends and Brightens

Comet Iwamoto is visible as a binocular target from a dark sky. Follow it this week as it passes from Virgo into Leo.

Explore the Night with Bob King

Comets to Catch in 2019

We peek ahead to see what comets await in 2019. Bright ones will be sparse, but several nice objects, including Comet Iwamoto (C/2018 Y1) and Comet Africano (C/2018 W2), will keep things lively.

Celestial News & Events

Chasing Comet 46P/Wirtanen as the Moon Looms

Learn how chase away the Moon to keep Comet 46P/Wirtanen in a dark sky. Here's an update on the comet's progress and what to look for in the coming nights.

Comet Triple Crown

Celestial Objects to Observe

Comet 46P/Wirtanen Approaches Earth

On December 16th, the comet will pass within 12 million kilometers of Earth and should brighten to about 3rd magnitude, though the diffuse coma and a nearly full Moon will make observations difficult.

Celestial News & Events

Amateur Don Machholz Discovers His 12th Comet! (Updated)

Arizona comet hunter Don Machholz did it again! He discovered his 12th comet only two mornings ago. Set your alarm, grab your scope, and take a look.

Explore the Night with Bob King

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!

Pretty package

Explore the Night with Bob King

Comet 21P/Giacobini-Zinner Shines in September

Watch a binocular-bright comet leapfrog across Auriga in the next few weeks before a remarkable conjunction with the bright star cluster, M35.

Celestial News & Events

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.

Explore the Night with Bob King

Catch these Comets in 2018

We look ahead to see what fuzzy visitors, new and returning, will brighten the nights ahead. One and possibly two naked-eye comets are on the way.

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