   Instant of          22:25:20 TDT     JD = 2258685.43400 
Greatest Eclipse:    (=22:21:34 UT)

Gamma = 0.9849             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9871             Lunation No. = -6531 
     Eclipse Type = A                  Saros Series = 133 
                                                 ΔT = 226.0 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:   1471 Dec 11   22.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.3212440  0.9601690 -23.5038204  0.5504400  0.0042800 150.277893 
  1   0.5529144  0.0493396 -0.0005180  0.0001256  0.0001250  14.996230 
  2  -0.0000181  0.0001240  0.0000070 -0.0000119 -0.0000119   0.000000 
  3  -0.0000081 -0.0000008  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047559        tan f2 = 0.0047322 

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:  22:21:34 UT

Latitude:   57.1° N      Sun’s Altitude:     9.0°          Path Width = 287.5 km
Longitude: 165.0° W      Sun’s Azimuth:    171.4°    Central Duration = 01m02s 
