Solar Eclipse Computer

U.S. Naval Observatory
Astronomical Applications Department

Solar Eclipse of 2017 Aug. 21

Sun in Total Eclipse at this Location

Madras, Oregon (Longitude W 121° 7' 48.0", Latitude N 44° 37' 48.0", Height 754m)

August 21, 2017   Universal Time (UT1)Delta T: 69.4s
PhenomenonDayTime (UT1)Sun's Altitude (°)Sun's Azimuth (°)Position Angle (°)Vertex Angle (°)
Eclipse Begins2116:06:42.229.4102.9284.9330.1
Totality Begins2117:19:33.041.5119.1114.9154.4
Maximum Eclipse2117:20:33.941.6119.4
Totality Ends2117:21:37.041.8119.6277.4316.6
Eclipse Ends2118:41:03.152.4143.8107.5133.0


Duration2h 34m 20.8s
Duration of Totality2m 03.9s
Magnitude1.012
Obscuration100.0%

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