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This Week's Sky At a Glance

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

Jupiter glares in the southeastern sky by late twilight. Antares, much fainter at magnitude +1.0, twinkles 10° to its right. Jupiter shines highest in the south by about midnight.

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This Week's Sky At a Glance

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

The evening gibbous Moon forms a triangle with Jupiter to its lower right and Antares to its lower left, as shown here. Think photo opportunity.

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This Week's Sky At a Glance

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

The middle star of the Big Dipper's bent handle is Mizar, with tiny little Alcor right next to it.

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This Week's Sky At a Glance

This Week’s Sky at a Glance, May 31 – June 8

Just a week and a half ago, the Big Dipper floated horizontally as the stars came out after sunset. Now it's angled diagonally at that time.

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This Week's Sky At a Glance

This Week’s Sky at a Glance, May 24 – June 1

The Summer Triangle is making its appearance in the east these evenings, one star after another: Vega, Deneb, then Altair.

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This Week's Sky At a Glance

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

The Moon, nearly full, shines in dim Libra. Find Arcturus very high above the Moon. Less far to the Moon's right or upper right is Spica, one magnitude fainter.

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This Week's Sky At a Glance

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

The Moon shines to the right of Regulus. Above Regulus is Algieba (Gamma Leonis). They're the two brightest stars of the Sickle of Leo.

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This Week's Sky At a Glance

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

Three zero-magnitude stars shine after dark in May: Arcturus high in the southeast, Vega much lower in the northeast, and Capella in the northwest.

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This Week's Sky At a Glance

This Week’s Sky at a Glance, April 26 – May 4

The dim Little Dipper extends to the right from Polaris. High above the Little Dipper's bowl you'll find the bowl of the Big Dipper.

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This Week's Sky At a Glance

This Week’s Sky at a Glance, April 19 – 27

The Pointer stars forming the end of the Big Dipper's bowl point straight down toward Polaris. Face north and look way up.

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This Week's Sky At a Glance

This Week’s Sky at a Glance, April 12 – 20

The Moon shines high in the southwest with Pollux and Castor to its upper right and brighter Procyon farther below it.

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This Week's Sky At a Glance

This Week’s Sky at a Glance, April 5 – 13

The Moon, stars, planets, constellations -- sky sights every night 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, March 29 – April 6

Mars pairs with the Pleiades this week, and a sunrise challenge on Monday morning: find the thin crescent Moon to the right of Venus.

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This Week's Sky At a Glance

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

Immediately after dark, before moonrise for most of North America, Sirius shines brilliantly in the south-southwest.

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This Week's Sky At a Glance

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

Immediately after dark, before moonrise for most of North America, Sirius shines brilliantly in the south-southwest.

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This Week's Sky At a Glance

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

Mars (magnitude +1.2, in Aries) glows high in the west at nightfall and sets by 11 p.m. In a telescope it's a tiny blob 5 arcseconds wide.

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This Week's Sky At a Glance

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

Venus, Jupiter, and Saturn all rise before dawn. As dawn gets under way, Jupiter and Venus, the brightest, dominate the low southeast. Saturn is between them.

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This Week's Sky At a Glance

This Week’s Sky at a Glance, February 22 – March 2

Venus, Jupiter, and Saturn all rise before dawn. As dawn gets under way, Jupiter and Venus, the brightest, dominate the low southeast.

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This Week's Sky At a Glance

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

The Moon is in the feet of Gemini this evening. Castor and Pollux are to its left, Procyon is to its lower left, and Orion is to its lower right.

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This Week's Sky At a Glance

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

  Comet Iwamoto is 7th magnitude this week as it crosses Leo and Cancer high in the late-night sky. See Bob King's Comet Iwamoto Ascends and Brightens, with finder chart. Friday, February 8 • The waxing crescent Moon shines in the west-southwest at nightfall. Above it by about two fists…

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