Monthly Night Sky information provided by Chris Vaughan (@Astrogeoguy) at Starry Night Education (@StarryNightEdu).
The moon will reach its full phase on Monday, May 12 at 12:56 p.m. EDT, 9:56 a.m. PDT, or 16:56 GMT. In the Americas, the moon will appear to be full on both Sunday and Monday night, but closer inspection will reveal a strip of shadow curving along the moon’s left and right limb, respectively, […]
When the still very full moon rises over the southeastern horizon in mid-evening on Tuesday, May 13, it will be positioned very close to the very bright, reddish star Antares, which marks the heart of Scorpius. As the duo crosses the sky all night long, the rotation of the sky will shift the moon to […]
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.
Stars shine with a color that is controlled by their surface (or photospheric) temperature, and this is captured in their spectral classification. In mid-May every year, the three bright stars of the Summer Triangle asterism are climbing the eastern sky after dusk. Deneb, Vega, and Altair are A-class stars that appear blue-white to the eye […]
The moon will reach its third quarter phase on Tuesday, May 20 at 7:59 a.m. EDT, 4:59 a.m. PDT, and 11:59 GMT. Third quarter moons always rise around midnight in your local time zone and then linger into the southern sky after sunrise. At third, or last, quarter, the moon’s western half is illuminated by […]