equinox

Equinox Sky Alert: Northern Lights, Planet Parade & More Dazzle Sept 22–23, 2025

Equinox Brings Autumn – And an Aurora Opportunity Monday, September 22 marks the autumnal equinox, the moment the Sun crosses Earth’s equator. Day and night are nearly equal in length across the globe during an equinox earthsky.org. In 2025 this happens at 18:19 UTC on Sept 22 (which is 8:19 p.m. in Warsaw, or 2:19 p.m. EDT) earthsky.org earthsky.org. For the Northern Hemisphere, it’s the first day of autumn; for the Southern Hemisphere, spring begins earthsky.org. Equinoxes are more than just a date on the calendar – they also have an interesting side effect for skywatchers: an “equinox effect” that

22 September 2025

Rare ‘Equinox Eclipse’ on Sept. 21, 2025 – Partial Solar Eclipse Promises a Spectacular Sunrise Show

What is a Partial Solar Eclipse? A partial solar eclipse happens when the moon passes between Earth and the sun but doesn’t completely cover the sun, so only a portion of the sun’s disk is obscured space.com. To an observer, it appears as if the moon has taken a “bite” out of the sun – leaving the sun as a bright crescent shape in the sky. In a partial eclipse the alignment isn’t perfect; the moon’s central shadow (umbra) misses Earth, so we only experience the penumbra (partial shadow) en.wikipedia.org. Because part of the sun remains visible, a partial eclipse

21 September 2025

Astronomy · Celestial Phenomena · Solar Eclipses · Space Events · Stargazing

Skywatchers’ Delight: Solar Eclipse, Saturn’s Brightest Night & Equinox Auroras (Sept 21–22, 2025)

Key Facts: Partial Solar Eclipse at Dawn (Sept 21) An impressive partial solar eclipse will greet early-risers (and late-day viewers across the dateline) on Sunday, Sept 21, 2025. This eclipse is “deep” – at peak about 85% of the sun’s disk will be covered by the moon earthsky.org. The eclipse path spans the South Pacific, including much of New Zealand, a thin slice of eastern Australia’s coast, parts of Antarctica, and various Pacific islands space.com. In these regions the event happens around local sunrise on the 22nd (morning of Sept 22 in NZ/Aus, which corresponds to Sept 21 UTC) earthsky.org.

21 September 2025

Astronomy · Auroras · Saturn · Skywatching · Solar Eclipses