   Instant of          21:56:55 TDT     JD = 2390569.41500 
Greatest Eclipse:    (=21:56:49 UT)

Gamma = -0.6530            Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 0.9155             Lunation No. = -2065 
     Eclipse Type = A                  Saros Series = 138 
                                                 ΔT = 6.3 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:   1833 Jan 20   22.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.1021810 -0.6454570 -20.0162602  0.5750490  0.0287670 147.121765 
  1   0.5002168  0.0590487  0.0090240  0.0000186  0.0000185  14.998330 
  2  -0.0000219  0.0001525  0.0000050 -0.0000099 -0.0000098   0.000000 
  3  -0.0000056 -0.0000006  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047516        tan f2 = 0.0047279 

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:  21:56:49 UT

Latitude:   60.6° S      Sun’s Altitude:    48.9°          Path Width = 425.8 km
Longitude: 137.4° W      Sun’s Azimuth:    347.2°    Central Duration = 07m59s 
