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This Week's Sky at a Glance logo

This Week's Sky At a Glance

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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This Week's Sky At a Glance

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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This Week's Sky At a Glance

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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This Week's Sky At a Glance

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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This Week's Sky At a Glance

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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This Week's Sky At a Glance

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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This Week's Sky At a Glance

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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This Week's Sky At a Glance

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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This Week's Sky At a Glance

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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This Week's Sky At a Glance

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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This Week's Sky At a Glance

This Week’s Sky at a Glance, October 11 – 19

  Friday, Oct. 11 • Soon after dark, you'll find zero-magnitude Arcturus low in the west-northwest at the same height as zero-magnitude Capella shining in the northeast. When this happens, turn to the south-southeast, and there will be 1st-magnitude Fomalhaut at the same height — if you're at latitude 43°…

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This Week's Sky At a Glance

This Week’s Sky at a Glance, October 4 – 12

Friday, Oct. 4 • The waxing Moon this evening shines between Saturn, to its left or upper left, and Jupiter farther to the Moon's lower right (off the center-right of the chart here). Saturday, Oct. 5 • It's both International Astronomy Day and International Observe the Moon Night! The Moon…

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This Week's Sky At a Glance

This Week’s Sky at a Glance, September 27 – October 5

The starry W of Cassiopeia stands high in the northeast after dark this week. The right-hand side of the W, the brightest, is tilted up.

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This Week's Sky At a Glance

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

Jupiter is the white dot shining in the south-southwest as twilight fades away. Saturn glows far to its upper left.

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This Week's Sky At a Glance

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

The Harvest Moon is full the night of Friday, the 13th. See what other night sights await.

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This Week's Sky At a Glance

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

Jupiter, in Ophiuchus, is the white dot hanging in the south-southwest in late twilight, Antares, fainter, twinkles 7° to Jupiter's lower right. Saturn glows four times as far to Jupiter's upper left.

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This Week's Sky At a Glance

This Week’s Sky at a Glance, August 30 – September 7

Altair is the brightest star on the southern side of the sky after dark this week. (We're not counting the planets Jupiter and Saturn, far to its lower right.)

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This Week's Sky At a Glance

This Week’s Sky at a Glance, August 23 – 31

Jupiter is that white dot in the south as twilight fades. After dark it moves lower toward the southwest. Orange Antares, much fainter, twinkles 7° to Jupiter's lower right.

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This Week's Sky At a Glance

This Week’s Sky at a Glance, August 16 – 24

As nights turn chilly, the Great Square of Pegasus lifts up in the east, balancing on one corner. From its left corner extends the main stars of the Andromeda constellation.

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This Week's Sky At a Glance

This Week’s Sky at a Glance, August 9 – 17

As nights turn chilly, the Great Square of Pegasus lifts up in the east, balancing on one corner. From its left corner extends the main stars of the constellation Andromeda.

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