USNO Data for 2017 Solar Eclipse for
Rolling Roof Observatory Clear Sky Chart


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from: http://aa.usno.navy.mil/data/docs/Eclipse2017.php

Solar Eclipse Computer

U.S. Naval Observatory
Astronomical Applications Department

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Solar Eclipse of 2017 Aug. 21

Sun in Partial Eclipse at this Location

Rolling Roof Observatory

August 21, 2017   Universal Time(UT)Delta T: 69.4s
PhenomenonDayTime(UT)AltitudeAzimuthPosition AngleVertex Angle
Eclipse Begins2116:04:58.532.798.1303.30.1
Maximum Eclipse2117:20:01.447.6112.1
Eclipse Ends2118:43:20.661.8138.190.6125.1


Duration2h 38m 22.1s
Magnitude0.698
Obscuration62.7%
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These times are in Universal Time or GMT. Subtract 7 hours to get local time

These times are accurate only if location of the Rolling Roof Observatory clear sky chart is accurate. Check the road map.



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