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  • This Week's Sky at a Glance, Sept. 24 – Oct. 2 24 September 2021
    Jupiter and Saturn shine in the south-southeast at dusk, Venus low in the southwest. They're all close to the ecliptic, so a straight line from Jupiter through Saturn points almost exactly to Venus. Don't believe it? Stretch a string tightly between your hands wide apart, hold it up to the three planets, and see for […]
    Alan MacRobert
  • This Week's Sky at a Glance, September 17 – 25 17 September 2021
    The waxing gibbous Moon shines with Jupiter and Saturn on its way to full. And as summer turns to fall, Deneb replaces Vega as the zenith star after dusk. The post This Week's Sky at a Glance, September 17 – 25 appeared first on Sky & Telescope.
    Alan MacRobert
  • Asteroid Pallas Makes a Point in Pisces 15 September 2021
    Spice up your fall observing with a dash of Pallas and nibble of Neptune. Both planet and asteroid are easy to spot in a small telescope. The post Asteroid Pallas Makes a Point in Pisces appeared first on Sky & Telescope.
    Bob King
  • Amateurs Spot New Impact Flash at Jupiter 14 September 2021
    An amateur astronomer has discovered a possible new impact flash in Jupiter's equatorial region. Observers may yet see the dark impact scar. The post Amateurs Spot New Impact Flash at Jupiter appeared first on Sky & Telescope.
    Bob King
  • This Week's Sky at a Glance, September 10 – 18 10 September 2021
    The evening Moon steps eastward over Scorpius as it waxes through first quarter. All four giant planets await your telescope in early to late evening. The post This Week's Sky at a Glance, September 10 – 18 appeared first on Sky & Telescope.
    Alan MacRobert
  • This Week's Sky at a Glance, September 3 – 11 3 September 2021
    Spica glimmers demurely under showy Venus in the western twilight. Try for Mercury way down to their lower right. Jupiter and Saturn dominate the evening south. The post This Week's Sky at a Glance, September 3 – 11 appeared first on Sky & Telescope.
    Alan MacRobert
  • Making Time for Morning Comets 1 September 2021
    If you like mixing comets with the quietude of observing in the small hours, September opens with five fuzzy vagabonds just waiting for a visit. The post Making Time for Morning Comets appeared first on Sky & Telescope.
    Bob King
  • This Week's Sky at a Glance, Aug. 27 – Sept. 4 27 August 2021
    Venus, Jupiter, and Saturn are all getting a little higher in early evening. Vega passes the zenith soon after dark; Deneb does so two hours later. Andromeda is up in the east. The post This Week's Sky at a Glance, Aug. 27 – Sept. 4 appeared first on Sky & Telescope.
    Alan MacRobert
  • This Week's Sky at a Glance, August 20 – 28 20 August 2021
    Jupiter and Saturn are just past opposition, so they dominate the sky all night. They inhabit dim Capricornus, which pushes Sagittarius westward. Venus, even showier, owns the western twilight but sets by full darkness. The post This Week's Sky at a Glance, August 20 – 28 appeared first on Sky & Telescope.
    Alan MacRobert
  • The 12-Year Cycle of Jupiter Oppositions 20 August 2021
    Jupiter is at opposition on August 19th. If we take the long view — 12 years long — we can watch Jupiter's oppositions as it passes through the zodiac constellations. The post The 12-Year Cycle of Jupiter Oppositions appeared first on Sky & Telescope.
    Scott Levine