   Instant of          20:46:50 TDT     JD = 2148625.36600 
Greatest Eclipse:    (=20:33:10 UT)

Gamma = -0.0646            Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0645             Lunation No. = -10258 
     Eclipse Type = T                  Saros Series = 112 
                                                 ΔT = 819.5 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:   1170 Aug 13   21.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.0864710 -0.1133780 12.6060104  0.5341280 -0.0119490 134.431549 
  1   0.5216595 -0.2511763 -0.0132350 -0.0000616 -0.0000613  15.003510 
  2  -0.0000323 -0.0000713 -0.0000030 -0.0000127 -0.0000126   0.000000 
  3  -0.0000086  0.0000043  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046343        tan f2 = 0.0046112 

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 =  21.000 TDT.


Circumstances at Greatest Eclipse:  20:33:10 UT

Latitude:    9.3° N      Sun’s Altitude:    86.3°          Path Width = 211.4 km
Longitude: 129.3° W      Sun’s Azimuth:     25.8°    Central Duration = 05m28s 
