{"version":1,"generatedAt":"2026-10-28T10:38:56.207Z","kind":"meteor-shower-peak","name":"Delta Aquariids 2025","shower":{"id":"delta-aquariids","name":"Delta Aquariids","parent":"Comet 96P/Machholz","zhr":25,"populationIndex":2.5,"velocityKmS":41},"peak":{"at":"2025-07-31T07:13:44.000Z","solarLongitudeJ2000":128},"radiant":{"ra":22.67,"dec":-16.4,"frame":"J2000","raUnit":"hours","decUnit":"degrees"},"moonAtPeak":{"phase":"First Quarter","illumination":0.39},"visibility":{"neverRisesBeyond":{"hemisphere":"north","latitude":73.6},"neverSetsBeyond":{"hemisphere":"south","latitude":73.6},"nightOf":"2025-07-30","longitude":0,"skyBortle":5,"bands":[{"latitude":60,"verdict":"good","summary":"About 3.8 an hour, in twilight that never ends","radiantHighestAt":"2025-07-31T02:05:59.207Z","radiantAltitude":14,"perHour":3.8,"fullyDark":false,"moon":{"illumination":0.37,"up":false}},{"latitude":45,"verdict":"good","summary":"About 7.6 an hour","radiantHighestAt":"2025-07-31T02:05:21.540Z","radiantAltitude":29,"perHour":7.6,"fullyDark":true,"moon":{"illumination":0.37,"up":false}},{"latitude":30,"verdict":"good","summary":"About 11 an hour","radiantHighestAt":"2025-07-31T02:04:29.974Z","radiantAltitude":44,"perHour":11,"fullyDark":true,"moon":{"illumination":0.37,"up":false}},{"latitude":15,"verdict":"good","summary":"About 14 an hour","radiantHighestAt":"2025-07-31T02:07:11.034Z","radiantAltitude":59,"perHour":14,"fullyDark":true,"moon":{"illumination":0.37,"up":false}},{"latitude":0,"verdict":"good","summary":"About 15 an hour","radiantHighestAt":"2025-07-31T02:02:25.503Z","radiantAltitude":74,"perHour":15,"fullyDark":true,"moon":{"illumination":0.37,"up":false}},{"latitude":-15,"verdict":"good","summary":"About 16 an hour","radiantHighestAt":"2025-07-31T02:03:57.948Z","radiantAltitude":89,"perHour":16,"fullyDark":true,"moon":{"illumination":0.37,"up":false}},{"latitude":-30,"verdict":"good","summary":"About 15 an hour","radiantHighestAt":"2025-07-31T02:09:03.603Z","radiantAltitude":76,"perHour":15,"fullyDark":true,"moon":{"illumination":0.37,"up":false}},{"latitude":-45,"verdict":"good","summary":"About 14 an hour","radiantHighestAt":"2025-07-31T02:06:12.445Z","radiantAltitude":61,"perHour":14,"fullyDark":true,"moon":{"illumination":0.37,"up":false}}]},"links":{"page":"https://www.whatthestar.com/meteor-showers/delta-aquariids-2025","map":"https://www.whatthestar.com/explore?ra=22.67&dec=-16.4&fov=40&t=2025-07-31T07%3A14%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/"}]}