   Instant of          01:49:22 TDT     JD = 2340987.57600 
Greatest Eclipse:    (=01:49:14 UT)

Gamma = 0.6559             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0602             Lunation No. = -3744 
     Eclipse Type = T                  Saros Series = 114 
                                                 ΔT = 7.9 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:   1697 Apr 21    2.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.0668900  0.6605440 12.0521498  0.5340610 -0.0120160 210.391205 
  1   0.5614669  0.1472793  0.0137060  0.0000429  0.0000427  15.003580 
  2   0.0000181 -0.0001164 -0.0000030 -0.0000128 -0.0000127   0.000000 
  3  -0.0000094 -0.0000024  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046445        tan f2 = 0.0046214 

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 =   2.000 TDT.


Circumstances at Greatest Eclipse:  01:49:14 UT

Latitude:   51.4° N      Sun’s Altitude:    48.7°          Path Width = 261.6 km
Longitude: 136.9° E      Sun’s Azimuth:    156.8°    Central Duration = 04m18s 
