{"version":1,"generatedAt":"2026-10-28T10:38:56.207Z","kind":"meteor-shower-peak","name":"Eta Aquariids 2025","shower":{"id":"eta-aquariids","name":"Eta Aquariids","parent":"Comet Halley","zhr":50,"populationIndex":2.4,"velocityKmS":66},"peak":{"at":"2025-05-06T02:51:26.000Z","solarLongitudeJ2000":45.5},"radiant":{"ra":22.4,"dec":-1,"frame":"J2000","raUnit":"hours","decUnit":"degrees"},"moonAtPeak":{"phase":"First Quarter","illumination":0.65},"visibility":{"neverRisesBeyond":{"hemisphere":"north","latitude":89},"neverSetsBeyond":{"hemisphere":"south","latitude":89},"nightOf":"2025-05-05","longitude":0,"skyBortle":5,"bands":[{"latitude":60,"verdict":"radiant-down","summary":"The radiant is below the horizon while it is dark","radiantHighestAt":null,"radiantAltitude":null,"perHour":null,"fullyDark":false,"moon":{"illumination":0.64,"up":true}},{"latitude":45,"verdict":"good","summary":"About 5.9 an hour","radiantHighestAt":"2025-05-06T02:31:49.865Z","radiantAltitude":11,"perHour":5.9,"fullyDark":true,"moon":{"illumination":0.65,"up":false}},{"latitude":30,"verdict":"good","summary":"About 15 an hour","radiantHighestAt":"2025-05-06T03:38:16.210Z","radiantAltitude":27,"perHour":15,"fullyDark":true,"moon":{"illumination":0.66,"up":false}},{"latitude":15,"verdict":"good","summary":"About 21 an hour","radiantHighestAt":"2025-05-06T04:14:14.201Z","radiantAltitude":40,"perHour":21,"fullyDark":true,"moon":{"illumination":0.66,"up":false}},{"latitude":0,"verdict":"good","summary":"About 23 an hour","radiantHighestAt":"2025-05-06T04:31:51.868Z","radiantAltitude":46,"perHour":23,"fullyDark":true,"moon":{"illumination":0.66,"up":false}},{"latitude":-15,"verdict":"good","summary":"About 25 an hour","radiantHighestAt":"2025-05-06T04:55:35.777Z","radiantAltitude":50,"perHour":25,"fullyDark":true,"moon":{"illumination":0.66,"up":false}},{"latitude":-30,"verdict":"good","summary":"About 23 an hour","radiantHighestAt":"2025-05-06T05:03:06.104Z","radiantAltitude":45,"perHour":23,"fullyDark":true,"moon":{"illumination":0.66,"up":false}},{"latitude":-45,"verdict":"good","summary":"About 19 an hour","radiantHighestAt":"2025-05-06T05:13:26.876Z","radiantAltitude":37,"perHour":19,"fullyDark":true,"moon":{"illumination":0.66,"up":false}}]},"links":{"page":"https://www.whatthestar.com/meteor-showers/eta-aquariids-2025","map":"https://www.whatthestar.com/explore?ra=22.4&dec=-1&fov=40&t=2025-05-06T02%3A51%3A00.000Z"},"sources":[{"name":"International Meteor Organization, Meteor Shower Calendar (J. Rendtel): each maximum’s solar longitude, ZHR, population index and radiant","url":"https://www.imo.net/"},{"name":"J. Meeus, Astronomical Algorithms, ch. 25 (the Sun) and ch. 47–48 (the Moon), as the map draws them","url":"https://www.whatthestar.com/credits#method-moon"},{"name":"U.S. Naval Observatory, Astronomical Applications: the Moon’s illuminated fraction, which the tests hold these to","url":"https://aa.usno.navy.mil/data/"}]}