Data used for eclipse calculations
The following data is used by the calculator when determining local circumstances. If you notice an error or problem with the data, please contact the webmaster of this site to have the corrections applied.
Source = NASA/GSFC (AUG2012)
DeltaT = 66.80
T0 = 22.000
TanF1 = 0.0047255
TanF2 = 0.0047020
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