USNO Data for 2017 Solar Eclipse for
Area 52 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

Solar Eclipse of 2017 Aug. 21

Sun in Partial Eclipse at this Location

Area 52 Observatory

August 21, 2017   Universal Time(UT)Delta T: 69.4s
PhenomenonDayTime(UT)AltitudeAzimuthPosition AngleVertex Angle
Eclipse Begins2116:45:00.659.2130.3300.4340.8
Maximum Eclipse2118:15:15.067.9177.5
Eclipse Ends2119:44:03.260.6226.3106.068.4


Duration2h 59m 02.6s
Magnitude0.865
Obscuration83.6%
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These times are in Universal Time or GMT. Subtract 5 hours to get local time

These times are accurate only if location of the Area 52 Observatory clear sky chart is accurate. Check the road map.


Forecast History for the Area 52 Observatory clear sky chart for late August

Extracted from the Area 52 Observatory clear sky chart climate/history page.
With the help of sponsors.

Cloud Cover

Color Meanings:
Overcast 90% covered 80% covered 70% covered 60% covered 50% covered 40% covered 30% covered 20% covered 10% covered Clear
AugustOccurrence of each Forecastdata points
16th to endDay
9%325%7%36%6%6%7%38%
2102

Transparency

Color Meanings:
Too cloudy to forecast Poor Below Average Average Above average Transparent
AugustOccurrence of each Forecastdata points
16th to endDay
38%7%18%19%11%3
2102

DISCLAIMER: This weather data is based from past forecast records, not from sky observations. So it's possible that it is not an accurate indication of weather for the eclipse. If you miss seeing the eclipse because you took a climate/history page for a clear sky chart, or the weather data on this page, too literally, your only recourse is to complain to me in email. Reminder: by using this website you agree to not sue me for any reason.


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