{"version":1,"generatedAt":"2026-10-28T10:38:56.207Z","kind":"meteor-shower-peak","name":"Lyrids 2025","shower":{"id":"lyrids","name":"Lyrids","parent":"Comet Thatcher","zhr":18,"populationIndex":2.1,"velocityKmS":49},"peak":{"at":"2025-04-22T13:20:03.000Z","solarLongitudeJ2000":32.32},"radiant":{"ra":18.13,"dec":33.3,"frame":"J2000","raUnit":"hours","decUnit":"degrees"},"moonAtPeak":{"phase":"Last Quarter","illumination":0.34},"visibility":{"neverRisesBeyond":{"hemisphere":"south","latitude":56.7},"neverSetsBeyond":{"hemisphere":"north","latitude":56.7},"nightOf":"2025-04-22","longitude":0,"skyBortle":5,"bands":[{"latitude":60,"verdict":"good","summary":"About 11 an hour, in twilight that never ends","radiantHighestAt":"2025-04-23T02:14:53.858Z","radiantAltitude":58,"perHour":11,"fullyDark":false,"moon":{"illumination":0.29,"up":false}},{"latitude":45,"verdict":"good","summary":"About 12 an hour","radiantHighestAt":"2025-04-23T03:06:27.809Z","radiantAltitude":74,"perHour":12,"fullyDark":true,"moon":{"illumination":0.29,"up":true}},{"latitude":30,"verdict":"good","summary":"About 12 an hour","radiantHighestAt":"2025-04-23T03:56:38.977Z","radiantAltitude":86,"perHour":12,"fullyDark":true,"moon":{"illumination":0.28,"up":true}},{"latitude":15,"verdict":"good","summary":"About 12 an hour","radiantHighestAt":"2025-04-23T03:59:28.515Z","radiantAltitude":72,"perHour":12,"fullyDark":true,"moon":{"illumination":0.28,"up":true}},{"latitude":0,"verdict":"good","summary":"About 10 an hour","radiantHighestAt":"2025-04-23T03:52:12.791Z","radiantAltitude":57,"perHour":10,"fullyDark":true,"moon":{"illumination":0.28,"up":true}},{"latitude":-15,"verdict":"good","summary":"About 8.1 an hour","radiantHighestAt":"2025-04-23T04:00:40.717Z","radiantAltitude":42,"perHour":8.1,"fullyDark":true,"moon":{"illumination":0.28,"up":true}},{"latitude":-30,"verdict":"good","summary":"About 5.4 an hour","radiantHighestAt":"2025-04-23T04:03:25.101Z","radiantAltitude":27,"perHour":5.4,"fullyDark":true,"moon":{"illumination":0.28,"up":true}},{"latitude":-45,"verdict":"good","summary":"About 2.5 an hour","radiantHighestAt":"2025-04-23T04:00:44.446Z","radiantAltitude":12,"perHour":2.5,"fullyDark":true,"moon":{"illumination":0.28,"up":true}}]},"links":{"page":"https://www.whatthestar.com/meteor-showers/lyrids-2025","map":"https://www.whatthestar.com/explore?ra=18.13&dec=33.3&fov=40&t=2025-04-22T13%3A20%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/"}]}