Friday, October 31, 2025

Today: Hallowe’en’s connection to astronomy comes from its position on the calendar, halfway between the Autumnal Equinox and the Winter Solstice. This mid-point, known as a “cross-quarter day”, began the “dark” half of the year for...

Thursday, October 30, 2025

Today: As Hallowe’en approaches, look for the star Algol, the “ghoul” that marks the head of the hideous monster Medusa, a great Hallowe’en costume! Look northeast at 7:30 PM , where the brightest star in Perseus, Mirfak appears (not to be...

Wednesday, October 29, 2025

Today: Lowering into the west-northwest this evening, the pale orange star Arcturus, sets just before 8:00 PM. However, our second brightest star is not done. Early tomorrow morning, Arcturus climbs back into the east-northeast starting at 5:10, though much easier to...

Tuesday, October 28, 2025

Today: Early risers tomorrow can look high in the southeast at around 5:30 AM. Almost vertically aligned are the head of the Gemini Twins, Castor and Pollux. Then comes the adjacent Jupiter, just below. These three bodies form an arc that points to the star Procyon,...

Monday, October 27, 2025

Today: In the last glow of twilight, a growing Crescent Moon rides low over the southern horizon, but not alone, as the Moon nestles squarely within Sagittarius. Below and to the right, the reddish Antares can be seem briefly before it dips below the horizon. Also...

Sunday, October 26, 2025

Today: Arcturus, the brightest star in the evening skies, still close to due west, appears less than one quarter of the way up as twilight ends, setting earlier each evening, and heads below the west-northwest horizon at 8:00 PM EDT. Arcturus owes its brilliance to...