   Instant of          21:53:54 TDT     JD = 2370813.41200 
Greatest Eclipse:    (=21:53:37 UT)

Gamma = -0.6788            Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9137             Lunation No. = -2734 
     Eclipse Type = A                  Saros Series = 138 
                                                 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:   1778 Dec 18   22.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.0316330 -0.6800080 -23.4368191  0.5755420  0.0292570 150.647217 
  1   0.4994032 -0.0610703 -0.0007530  0.0000038  0.0000038  14.996150 
  2   0.0000197  0.0001824  0.0000060 -0.0000099 -0.0000098   0.000000 
  3  -0.0000055  0.0000008  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047550        tan f2 = 0.0047313 

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 =  22.000 TDT.


Circumstances at Greatest Eclipse:  21:53:37 UT

Latitude:   65.8° S      Sun’s Altitude:    47.0°          Path Width = 450.0 km
Longitude: 160.6° W      Sun’s Azimuth:     15.7°    Central Duration = 07m44s 
