Monthly Night Sky information provided by Chris Vaughan (@Astrogeoguy) at Starry Night Education (@StarryNightEdu).

Events

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Today
  • New Moon (at 19:11 GMT)

    On Thursday, July 24 at 3:11 p.m. EDT or 12:11 p.m. PDT, or 19:11 GMT, the moon will officially reach its new moon phase. At that time our natural satellite will be located in Cancer, 3.4 degrees north of the sun. While new, the moon is travelling in space between Earth and the sun. Since […]

  • Friday Night Sights

    Join us (weather permitting) at our Observatory! See Friday Night Sights: Explore the Night Sky – RASC Hamilton for the latest updates on the upcoming date.

  • Pluto at Opposition (all night)

    On the nights surrounding Friday morning, July 25, the dim and distant dwarf planet designated (134340) Pluto will reach opposition for 2025. On that date, the Earth will be positioned between Pluto and the sun, minimizing our distance from that outer world and maximizing Pluto’s visibility. While at opposition, Pluto will be located 3.28 billion […]

  • Slim Crescent Moon near Regulus (after sunset)

    For a short time after sunset on Saturday, July 26, the extremely slender crescent of the young moon will shine above the western horizon. As the sky darkens, Leo’s brightest star Regulus will appear just to the lower right (or celestial west) of the moon – close enough for them to share the view in […]

  • Crescent Moon Flees Mars (after sunset)

    As the sky begins to darken after dusk on Monday, July 28, look low in the western sky for reddish Mars shining several finger widths to the upper right (or 3 degrees to the celestial north) of the waxing moon’s slender crescent – close enough for them to share the view in binoculars (orange circle). […]