   Instant of          20:21:45 TDT     JD = 2387970.34800 
Greatest Eclipse:    (=20:21:36 UT)

Gamma = 0.5296             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0148             Lunation No. = -2153 
     Eclipse Type = H2                 Saros Series = 139 
                                                 ΔT = 9.4 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:   1825 Dec 09   20.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.2076300  0.5283930 -22.8778591  0.5461280 -0.0000090 121.805603 
  1   0.5642805  0.0032223 -0.0039580  0.0001123  0.0001117  14.996780 
  2  -0.0000069  0.0001432  0.0000060 -0.0000123 -0.0000123   0.000000 
  3  -0.0000087 -0.0000001  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047494        tan f2 = 0.0047258 

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 =  20.000 TDT.


Circumstances at Greatest Eclipse:  20:21:36 UT

Latitude:    9.2° N      Sun’s Altitude:    58.0°          Path Width = 59.8 km
Longitude: 127.4° W      Sun’s Azimuth:    179.7°    Central Duration = 01m34s 
