{"version":1,"generatedAt":"2026-10-28T10:38:56.207Z","kind":"greatest-elongation","name":"Mercury at greatest eastern elongation, 8 Mar 2025","at":"2025-03-08T06:10:00.000Z","planets":[{"name":"Mercury","magnitude":-0.3}],"place":{"ra":0.301,"dec":4,"frame":"J2000","raUnit":"hours","decUnit":"degrees"},"degreesFromSun":18.2,"sky":"evening","elongationDeg":18.2,"litFraction":0.46,"visibility":{"longitude":0,"timeZone":"UTC","twilightSunAltitude":-6,"bands":[{"latitude":60,"verdict":"low","summary":"Low: 9° up in the W at 18:30; a clear, flat horizon needed","best":{"at":"2025-03-07T18:30:00.000Z","altitude":8.9,"azimuth":262,"sunAltitude":-6.7}},{"latitude":45,"verdict":"clear","summary":"11° up in the W at 18:30","best":{"at":"2025-03-07T18:30:00.000Z","altitude":10.6,"azimuth":265,"sunAltitude":-6.9}},{"latitude":30,"verdict":"clear","summary":"12° up in the W at 18:30","best":{"at":"2025-03-07T18:30:00.000Z","altitude":11.6,"azimuth":268,"sunAltitude":-6.6}},{"latitude":15,"verdict":"low","summary":"Low: 9° up in the W at 18:40; a clear, flat horizon needed","best":{"at":"2025-03-07T18:40:00.000Z","altitude":9.4,"azimuth":271,"sunAltitude":-8.3}},{"latitude":0,"verdict":"low","summary":"Low: 9° up in the W at 18:40; a clear, flat horizon needed","best":{"at":"2025-03-07T18:40:00.000Z","altitude":8.7,"azimuth":274,"sunAltitude":-7.3}},{"latitude":-15,"verdict":"low","summary":"Low: 5° up in the W at 18:50; a clear, flat horizon needed","best":{"at":"2025-03-07T18:50:00.000Z","altitude":5,"azimuth":275,"sunAltitude":-8.1}},{"latitude":-30,"verdict":"lost","summary":"Lost in the horizon's haze: 1° up at best once it is dark","best":{"at":"2025-03-07T19:00:00.000Z","altitude":1.3,"azimuth":275,"sunAltitude":-8.1}},{"latitude":-45,"verdict":"lost","summary":"It is below the horizon whenever the sky is dark","best":{"at":"2025-03-07T19:10:00.000Z","altitude":-1.9,"azimuth":274,"sunAltitude":-6.8}}]},"links":{"page":"https://www.whatthestar.com/planets/mercury-greatest-elongation-2025-03-08","map":"https://www.whatthestar.com/explore?ra=0.301&dec=4&fov=40&t=2025-03-08T06%3A10%3A00.000Z"},"sources":[{"name":"P. Bretagnon and G. Francou, VSOP87, the planetary theory the map draws, held to JPL’s DE441 within about an arcsecond over 1900–2100","url":"https://www.whatthestar.com/credits#method-planets"},{"name":"U.S. Naval Observatory and Sea and Sky’s Astronomy Calendar of Celestial Events: the dates and angles the tests hold these to","url":"https://aa.usno.navy.mil/data/"},{"name":"A. Mallama and J. Hilton (2018) and the Astronomical Almanac’s phase-angle series: the planets’ magnitudes","url":"https://www.whatthestar.com/credits#method-planets"},{"name":"J. Meeus, Astronomical Algorithms, ch. 25: the Sun, for the twilight each latitude is judged in","url":"https://www.whatthestar.com/credits#method-sun"}]}