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

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  • 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.

  • 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.

  • See the Lunar X and V (peaks at 9 p.m. EDT)

    Several times a year near the moon’s first quarter phase, small clair-obscur effect features on the moon called the Lunar X and the Lunar V become visible in strong binoculars and backyard telescopes for a few hours. The Lunar X, a prominent X-shaped pattern, appears when the rims of the craters Purbach, la Caille, and […]

  • First Quarter Moon (at 19:30 GMT)

    The moon will complete the first quarter of its orbit around Earth, measuring from the previous new moon, on Wednesday, July 2 at 3:30 p.m. EDT or 12:30 p.m. PDT, which converts to 19:30 GMT. The 90 degree angle formed by the Earth, sun, and moon at that time will cause us to see our […]

  • Earth at Aphelion (at 20:00 GMT)

    On Thursday, July 3 at 4:00 p.m. EDT, 1:00 p.m. PDT, or 20:00 GMT, Earth will reach aphelion, its greatest distance from the sun for this year. Aphelion’s 94.51 million miles (152.09 million km) distance is 1.67% farther from the sun than the mean Earth-sun separation of 92.96 million miles (149.6 million km), which is […]