   Instant of          20:45:38 TDT     JD = 2372703.36500 
Greatest Eclipse:    (=20:45:21 UT)

Gamma = -0.6739            Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0389             Lunation No. = -2670 
     Eclipse Type = T                  Saros Series = 117 
                                                 ΔT = 16.7 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:   1784 Feb 20   21.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0   0.4250110 -0.5409670 -10.7941904  0.5393610 -0.0067430 131.475952 
  1   0.5163573  0.2582520  0.0143730  0.0000553  0.0000551  15.002490 
  2  -0.0000642  0.0000926  0.0000020 -0.0000128 -0.0000128   0.000000 
  3  -0.0000084 -0.0000044  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0047244        tan f2 = 0.0047009 

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 =  21.000 TDT.


Circumstances at Greatest Eclipse:  20:45:21 UT

Latitude:   47.2° S      Sun’s Altitude:    47.4°          Path Width = 174.4 km
Longitude: 101.5° W      Sun’s Azimuth:    320.0°    Central Duration = 02m44s 
