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Astronomy Events News 9 August 2025 - 22 September 2025

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

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
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Skywatchers Alert: Meteors, Planetary Parade, Auroras & More Dazzle on August 21–22, 2025

Skywatchers Alert: Meteors, Planetary Parade, Auroras & More Dazzle on August 21–22, 2025

The Perseid meteor shower remains active on Aug 21–22, offering a handful of meteors per hour under dark skies with the radiant in Perseus and occasional bright fireballs as the Moon is a thin waning crescent near new. The minor Kappa Cygnid meteor shower peaks around Aug 18 and produces about three meteors per hour at best, with occasional dramatic fireballs from the northern sky. During Aug 21–22 a spectacular dawn planetary parade features Venus and Jupiter a few degrees apart in Gemini, Mercury near the very thin crescent Moon on Aug 21 with the Beehive cluster between them, Saturn
21 August 2025
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Don’t Miss This Weekend’s Cosmic Show: Perseid Meteors, Planet Parade & Aurora Hints (Aug 17–18, 2025)

Don’t Miss This Weekend’s Cosmic Show: Perseid Meteors, Planet Parade & Aurora Hints (Aug 17–18, 2025)

The Perseid meteor shower peaked on August 12-13, 2025, and NASA’s Bill Cooke says under moonlit skies observers may see about 10-20 meteors per hour (versus 40-50 per hour under dark skies). By August 17-18, the Moon is a waning crescent, allowing ideal conditions to yield roughly 15-20 Perseids per hour before dawn. The minor kappa Cygnids are active around August 14 at about 1 meteor per hour. Venus and Jupiter form a bright dawn pair in the eastern sky on August 17-18, after having been only about 1° apart in a close conjunction on August 11-12. On August 19-20,
17 August 2025
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Skywatch Alert: Meteor Fireballs, Auroras & Planetary Spectacles Dazzle the Night Sky (Aug 15–16, 2025)

Skywatch Alert: Meteor Fireballs, Auroras & Planetary Spectacles Dazzle the Night Sky (Aug 15–16, 2025)

The Perseid meteor shower peaked on August 12–13, 2025, and on August 15–16 the Moon is in last quarter, about half-lit and rising late, providing darker evening skies. The Perseids remain active through August 23, 2025, with expert estimates of about 15 meteors per hour under moonlit conditions, meaning only roughly 10–20% of the usual 60–100 meteors per hour may be visible. Perseid earthgrazers can be seen starting around 9–10 PM local time toward the northeast as Perseus rises. The Kappa Cygnids peak around August 16, 2025 and typically produce only a few meteors per hour, perhaps up to about
15 August 2025
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August 2025 Skywatch Alerts: Meteor Showers, Planetary Parades & Celestial Surprises

August 2025’s Meteor Shower Spectacle: Perseids vs. Bright Moon & Other Shooting Star Shows

The Perseid meteor shower peaks on August 12–13, 2025, with 50–75 meteors per hour under dark skies and up to ~100 per hour in ideal conditions, though moonlight will reduce counts to about 10–20 per hour. The Moon will be full on August 9, 2025 and will be a waning gibbous about 84% illuminated during the peak, washing out fainter meteors. The Perseids originate from debris of Comet 109P/Swift-Tuttle. A recommended viewing strategy is to watch on the peak night before Moonrise or about a week after peak when the Moon is dimmer, with early-evening Earthgrazers possible. The Virtual Telescope
9 August 2025
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