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Mars, Aldebaran, and the Pleiades in late twilight, Feb. 10, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, February 3 – 12

Comet ZTF is still near its brightest, moonlight and all. Around the Big and Little Dog Stars, trace out the stick-figure patterns of the big and little dogs. A ghostly unicorn haunts the inside of the Winter Triangle.

Comet ZTF E3 dust tail

Comets

See Comet ZTF (C/2022 E3) Dash Between Big and Little Dippers

Forget the hype and go outside to enjoy the real thing — a relatively bright comet you can see in binoculars from a dark sky.

Celestial News & Events

This Week's Sky at a Glance, January 27 – February 5

Comet ZTF is at its best this week — but every night moonlight encroaches on the scene until a later and later hour. Along the way, the Moon occults Mars for the southern U.S. and again forms isosceles triangles with naked-eyestars.

Crescent Moon passing Venus and Saturn in conjunction, Jan. 22-23, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, January 20 – 29

Venus and Saturn have a close conjunction in twilight. Comet ZTF heads into its best week. And Betelgeuse overtakes Sirius ever earlier in the night.

Celestial News & Events

See a Giant Sunspot!

If you have a solar filter, check out the sunspot group AR 3190 that's crossing the solar disk this week.

Venus and Saturn at dusk, Jan. 13, 2023,

Celestial News & Events

This Week's Sky at a Glance, January 13 – 21

Saturn starts the week well above bright Venus in twilight. Watch them close in on each other toward their conjunction on the 22nd. Jupiter and fading Mars shine high. Sirius sparkles below Orion, and binocular Comet ZTF enters its best three weeks.

Cloud map for 2023's annular solar eclipse

Celestial News & Events

Solar and Lunar Eclipses in 2023

Although no total lunar eclipses occur this year, skywatchers can look forward to two “central” solar eclipses — including an annular event in October whose path runs from Oregon through Texas.

Moon crossing Gemini at dusk, Jan. 6-7, 2023

Celestial News & Events

This Week's Sky at a Glance, January 6 – 14

Saturn approaches Venus in twilight, Jupiter and Mars ride high, and Mare Orientale peeks around the edhe of the Moon. And, try exploring the many double stars in Orion's Sword.

Venus and fading Mercury after sunset, Dec. 31, 2022

Celestial News & Events

This Week's Sky at a Glance, December 30 – January 7

Venus creeps up, Saturn sinks down; in three weeks the two shall meet. The Moon meets Mars Tuesday. Orion comes into his own to rule the winter, and Sirius emerges below him.

Meteors

The Best Meteor Showers in 2023

The two richest, most reliable annual meteor showers, the Perseids and Geminids, are Moon-free in 2023. Others showers await you too.

Crescent Moon passing Venus and Mercury, Dec. 24-25, 2022

This Week's Sky At a Glance

This Week's Sky at a Glance, December 23 – 31

Venus and Mercury glimmer low in the southwest in twilight. The newborn crescent Moon starts the week with them, then visits Saturn, Jupiter, and Mars as it waxes toward full.

June 2022 planets

Solar System

All Eight Planets Line Up ... Again!

Echoing summer's great arc of planets at dawn, winter presents the full octet again, this time splayed across the evening sky.

Venus, Mercury, crescent Moon at dusk, Dec. 24, 2022

Celestial News & Events

This Week's Sky at a Glance, December 16 – 24

The Pleiades dipper, the House in the Hyades, Mars high but fading, M31 at the zenith, and a celestial string of holiday lights.

Geminid over Tucson

Explore the Night with Bob King

Catch the Geminid Meteor Shower; Plus, Watch RW Cephei Fade

The luminous Geminid meteor shower returns. We also meet a binocular-bright star that may be experiencing Betelgeuse-like convulsions.

Moon in Gemini passing Castor and Pollux, Dec. 10-11, 2022

Celestial News & Events

This Week's Sky at a Glance, December 9 – 16

Mars, just past opposition, remains bright as it aligns between Aldebaran and Capella. Jupiter shines highest after dusk. And watch for the Geminid meteors.

Mars close-up beneath the Moon

Celestial News & Events

Observing Report: Moon Occults Mars

Sky & Telescope editors report their observations of last night's celestial event: Mars grazing or disappearing behind the Moon.

Mars up close

Explore the Night with Bob King

Mars Mesmerizes at Opposition

It may not be the closest opposition, but this time around Mars arcs high across the sky where good seeing promises sharp views. That's not all. On December 7th, one night before opposition, the full Moon occults the Red Planet!

Oppositions: Mars with full Moon Dec. 7, 2022.

This Week's Sky At a Glance

This Week's Sky at a Glance, December 2 – 10

Mars is at opposition this week. And on opposition night December 7-8, Mars is occulted by the perfectly full Moon. Orion enters stage east earlier and earlier, the Summer Triangle sinks west, and Jupiter reigns on high.

Moon shining with Jupiter, late evening Dec. 1, 2022

Celestial News & Events

This Week's Sky at a Glance, November 25 – December 3

Mars is closest to Earth this week, closer and brighter than we'll see it again until 2033. By late evening it's high overhead in excellent telescopic view.

Jupiter near the Circlet of Pisces

Celestial News & Events

This Week's Sky at a Glance, November 18 – 26

Orion works its way up from behind the horizon after dinnertime and stands high by late evening. Big bright Jupiter and Mars dominate the sky. Jupiter is under the Great Square; Mars is in the horns of Taurus.

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