{"version":1,"generatedAt":"2026-10-28T10:38:56.207Z","kind":"meteor-shower-peak","name":"Lyrids 2027","shower":{"id":"lyrids","name":"Lyrids","parent":"Comet Thatcher","zhr":18,"populationIndex":2.1,"velocityKmS":49},"peak":{"at":"2027-04-23T01:34:08.000Z","solarLongitudeJ2000":32.32},"radiant":{"ra":18.13,"dec":33.3,"frame":"J2000","raUnit":"hours","decUnit":"degrees"},"moonAtPeak":{"phase":"Waning Gibbous","illumination":0.95},"visibility":{"neverRisesBeyond":{"hemisphere":"south","latitude":56.7},"neverSetsBeyond":{"hemisphere":"north","latitude":56.7},"nightOf":"2027-04-22","longitude":0,"skyBortle":5,"bands":[{"latitude":60,"verdict":"moonlit","summary":"About 9.3 an hour; a Moon 95% lit drowns the faint ones","radiantHighestAt":"2027-04-23T02:22:54.519Z","radiantAltitude":58,"perHour":9.3,"fullyDark":false,"moon":{"illumination":0.95,"up":true}},{"latitude":45,"verdict":"moonlit","summary":"About 9.6 an hour; a Moon 95% lit drowns the faint ones","radiantHighestAt":"2027-04-23T03:05:34.415Z","radiantAltitude":74,"perHour":9.6,"fullyDark":true,"moon":{"illumination":0.95,"up":true}},{"latitude":30,"verdict":"moonlit","summary":"About 9.4 an hour; a Moon 94% lit drowns the faint ones","radiantHighestAt":"2027-04-23T03:56:14.776Z","radiantAltitude":86,"perHour":9.4,"fullyDark":true,"moon":{"illumination":0.94,"up":true}},{"latitude":15,"verdict":"moonlit","summary":"About 8.4 an hour; a Moon 94% lit drowns the faint ones","radiantHighestAt":"2027-04-23T04:19:20.009Z","radiantAltitude":71,"perHour":8.4,"fullyDark":true,"moon":{"illumination":0.94,"up":true}},{"latitude":0,"verdict":"moonlit","summary":"About 7 an hour; a Moon 94% lit drowns the faint ones","radiantHighestAt":"2027-04-23T04:42:16.265Z","radiantAltitude":56,"perHour":7,"fullyDark":true,"moon":{"illumination":0.94,"up":true}},{"latitude":-15,"verdict":"moonlit","summary":"About 5.3 an hour; a Moon 94% lit drowns the faint ones","radiantHighestAt":"2027-04-23T04:50:55.425Z","radiantAltitude":40,"perHour":5.3,"fullyDark":true,"moon":{"illumination":0.94,"up":true}},{"latitude":-30,"verdict":"moonlit","summary":"About 3.4 an hour; a Moon 94% lit drowns the faint ones","radiantHighestAt":"2027-04-23T04:53:52.332Z","radiantAltitude":26,"perHour":3.4,"fullyDark":true,"moon":{"illumination":0.94,"up":true}},{"latitude":-45,"verdict":"few","summary":"Hardly any: about 1.5 an hour at best","radiantHighestAt":"2027-04-23T04:31:28.496Z","radiantAltitude":11,"perHour":1.5,"fullyDark":true,"moon":{"illumination":0.94,"up":true}}]},"links":{"page":"https://www.whatthestar.com/meteor-showers/lyrids-2027","map":"https://www.whatthestar.com/explore?ra=18.13&dec=33.3&fov=40&t=2027-04-23T01%3A34%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/"}]}