   Instant of          04:38:15 TDT     JD = 2349492.69300 
Greatest Eclipse:    (=04:38:5 UT)

Gamma = 0.2409             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9957             Lunation No. = -3456 
     Eclipse Type = A                  Saros Series = 131 
                                                 ΔT = 9.9 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:   1720 Aug 04    5.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.2349040  0.2016350 17.2717705  0.5517640  0.0055980 253.613144 
  1   0.5271527 -0.0974118 -0.0108750 -0.0001228 -0.0001222  15.002200 
  2  -0.0000131 -0.0001204 -0.0000040 -0.0000108 -0.0000108   0.000000 
  3  -0.0000070  0.0000012  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046116        tan f2 = 0.0045886 

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 =   5.000 TDT.


Circumstances at Greatest Eclipse:  04:38:5 UT

Latitude:   31.1° N      Sun’s Altitude:    75.9°          Path Width = 15.7 km
Longitude: 114.8° E      Sun’s Azimuth:    191.5°    Central Duration = 00m27s 
