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Observing

This Week’s Sky at a Glance, February 21 – 29

Venus is the big bright "Evening Star" shining in the west during and after dusk. To its right or lower right as the stars come out is the Great Square of Pegasus, sinking down on one corner.

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Observing

This Week’s Sky at a Glance, February 14 – 22

By 8 or 9 p.m. the Big Dipper stands on its handle in the northeast. In the northwest, Cassiopeia stands on end at about the same height.

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Observing

This Week’s Sky at a Glance, February 7 – 15

Venus is the bright "star" shining in the southwest during and after twilight. Fainter Mercury is far down to its lower left as twilight fades.

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Observing

This Week’s Sky at a Glance, Jan. 24 – Feb. 1

Betelgeuse remains dim. The red supergiant Betelgeuse in Orion's shoulder has always been slightly variable, but for the last month or so it's been in an unusually low dip. As of January 22nd it was still about visual magnitude +1.5 instead of its more typical +0.5, It's clearly fainter than similarly-colored Aldebaran, magnitude +0.9, with which it's often compared and normally outshines quite obviously.

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Observing

This Week’s Sky at a Glance, January 17 – 25

Is your sky dark enough for you to see the winter Milky Way? In mid-evening now it runs vertically up and across the zenith: from Canis Major low in the southeast, up between Orion and Gemini, through Auriga and Perseus almost straight overhead, and down through Cassiopeia, Cepheus, and Cygnus to the northwest horizon.

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Observing

This Week’s Sky at a Glance, January 10 – 18

Venus, shining at magnitude –4.0 in Capricornus, dominates the southwest during and after twilight, higher each week. It will shine as the grand "Evening Star" all winter and into the spring.

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Observing

This Week’s Sky at a Glance, January 3 – 11

Astronomy? Skywatching? Daily sky sights for the unaided eye, binoculars, and telescopes, from Sky & Telescope magazine.

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This Week's Sky At a Glance

This Week’s Sky at a Glance, Jan. 31 – Feb. 8

Betelgeuse remains dim. The red supergiant Betelgeuse in Orion's shoulder has always been slightly variable, but for the last month or so it's been in an unusually low dip. Now magnitude 1.6!

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Observing

This Week’s Sky at a Glance, December 27 – January 4

Want to become a better amateur astronomer? Learn your way around the constellations. They're the key to locating everything fainter and deeper to hunt with binoculars or a telescope.

Astronomy & Observing News

What to See with Your New Telescope During 2019 Holidays

Maybe you just got a shiny new telescope to call your own. Congratulations — you could be on your way to discovering many amazing, far, deep things in the night sky.

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Observing

This Week’s Sky at a Glance, December 20 – 28

Have you ever watched Sirius rise? Watch for Sirius about two fists below Orion's vertical Belt. When a star is very low, it tends to twinkle slowly and often in vivid colors.

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Observing

This Week’s Sky at a Glance, December 13 – 21

Venus shines in the southwest in evening twilight, a little higher each week now. It's on its way up to a grand, high "Evening Star" apparition this winter.

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Observing

This Week’s Sky at a Glance, December 6 – 14

This week, Jupiter is disappearing deep into the sunset, while Venus, having ditched Jupiter, is on its way to flirt with Saturn.

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Observing

This Week’s Sky at a Glance, Nov. 29 – Dec. 7

In the southwest at dusk, Jupiter is going bye-bye and Venus, having ditched Jupiter, is closing in on Saturn.

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Observing

This Week’s Sky at a Glance, November 22 – 30

Venus and Jupiter, the two brightest planets, shine in the southwest during bright twilight. Venus is the brighter one.

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Observing

This Week’s Sky at a Glance, November 15 – 23

The waning gibbous Moon is in Gemini Nov. 16, with Pollux to its left and Castor above Pollux.

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Observing

This Week’s Sky at a Glance, November 8 – 16

In early evening, look high above the Moon for the Great Square of Pegasus through the moonlight. It's standing on one corner.

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Observing

This Week’s Sky at a Glance, November 1 – 9

Friday, Nov. 1 • The waxing crescent Moon shines in the south-southwest at dusk, with Saturn glowing 4° or 5° to its upper left (for North America) as shown here. Look much farther lower right, by nearly 20°, for Jupiter. Saturday, Nov. 2 • Saturn shines right of the Moon…

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Observing

This Week’s Sky at a Glance, October 25 – November 2

The W of Cassiopeia now stands vertically on end in the evening, high in the northeast. Look to its right for Andromeda and the Great Square of Pegasus.

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Observing

This Week’s Sky at a Glance, October 18 – 26

Friday, Oct. 18 • Vega is the brightest star high in the west after dark. To its lower right by 14° (nearly a fist and a half at arm's length), look for Eltanin, the nose of Draco the Dragon. The rest of Draco's fainter, lozenge-shaped head is a little farther…

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