   Instant of          17:21:26 TDT     JD = 2371670.22300 
Greatest Eclipse:    (=17:21:9 UT)

Gamma = -0.0620            Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9467             Lunation No. = -2705 
     Eclipse Type = A                  Saros Series = 125 
                                                 ΔT = 16.7 s

Lunar Radius   k1 = 0.272488 (Penumbra)        Shift in      Δb =  0.00"
 Constants:    k2 = 0.272281 (Umbra)       Lunar Position:   Δl =  0.00"


Polynomial Besselian Elements for:   1781 Apr 23   17.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.1372850 -0.1345140 12.8144102  0.5662510  0.0200140  75.489754 
  1   0.4594608  0.2200397  0.0132150 -0.0000538 -0.0000535  15.003120 
  2   0.0000453 -0.0000594 -0.0000030 -0.0000099 -0.0000098   0.000000 
  3  -0.0000052 -0.0000027  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046448        tan f2 = 0.0046217 

At time t1 (decimal hours), each Besselian element is evaluated by:

a = a0 + a1*t + a2*t2 + a3*t3  

where: a = x, y, d, l1, l2, or μ; t = t1 - t0 (decimal hours), and t0 =  17.000 TDT.


Circumstances at Greatest Eclipse:  17:21:9 UT

Latitude:    9.7° N      Sun’s Altitude:    86.5°          Path Width = 196.6 km
Longitude:  79.2° W      Sun’s Azimuth:    334.3°    Central Duration = 06m13s 
