   Instant of          21:17:18 TDT     JD = 2121929.38700 
Greatest Eclipse:    (=20:59:8 UT)

Gamma = 0.4099             Ephemerides  = VSOP87/ELP2000-82 
Eclipse Magnitude = 1.0667             Lunation No. = -11162 
     Eclipse Type = T                  Saros Series = 102 
                                                 ΔT = 1089.7 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:   1097 Jul 11   21.000 TDT  (=t0)

  n        x          y         d          l1         l2          μ

  0  -0.0472510  0.4398980 21.2702293  0.5331620 -0.0129110 133.962769 
  1   0.5555919 -0.1591338 -0.0067930  0.0000738  0.0000734  15.000420 
  2  -0.0000489 -0.0001657 -0.0000050 -0.0000125 -0.0000125   0.000000 
  3  -0.0000091  0.0000028  0.0000000  0.0000000  0.0000000   0.000000
  
                tan f1 = 0.0046055        tan f2 = 0.0045826 

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:  20:59:8 UT

Latitude:   44.5° N      Sun’s Altitude:    65.6°          Path Width = 238.5 km
Longitude: 124.6° W      Sun’s Azimuth:    200.9°    Central Duration = 05m01s 
