   Instant of          23:51:57 TDT     JD = 2194899.49400 
Greatest Eclipse:    (=23:43:45 UT)

Gamma = 0.4275             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9850             Lunation No. = -8691 
     Eclipse Type = A                  Saros Series = 117 
                                                 ΔT = 491.8 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:   1297 Apr 22    0.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.1097400  0.4193280 14.8819199  0.5545170  0.0083380 180.907516 
  1   0.4855030  0.2175961  0.0121980  0.0001083  0.0001078  15.002800 
  2   0.0000272 -0.0001071 -0.0000030 -0.0000107 -0.0000107   0.000000 
  3  -0.0000062 -0.0000029  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046271        tan f2 = 0.0046041 

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 =   0.000 TDT.


Circumstances at Greatest Eclipse:  23:43:45 UT

Latitude:   37.7° N      Sun’s Altitude:    64.5°          Path Width = 58.5 km
Longitude: 170.4° E      Sun’s Azimuth:    150.3°    Central Duration = 01m22s 
