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Annular Solar Eclipse of 2005 Oct 03

Table 1 - Elements of the Eclipse

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Geocentric Conjunction      10:11:46.79 TDT     J.D. = 2453646.924847
 of Sun & Moon in R.A.:   (=10:10:41.99 UT)

      Instant of            10:32:47.22 TDT     J.D. = 2453646.939435
   Greatest Eclipse:      (=10:31:42.42 UT)


Geocentric Coordinates of Sun & Moon at Greatest Eclipse (DE200/LE200):

Sun:       R.A. = 12h37m55.021s       Moon:      R.A. = 12h38m30.321s
           Dec. =-04°05´04.22"                   Dec. =-03°49´04.75"
  Semi-Diameter =    15´59.14"          Semi-Diameter =    15´05.26"
    Eq.Hor.Par. =       08.79"            Eq.Hor.Par. =  0°55´22.09"
         Δ R.A. =        9.082s/h              Δ R.A. =      109.997s/h
         Δ Dec. =      -57.97"/h               Δ Dec. =     -888.16"/h


Lunar Radius   k1 = 0.2725076 (Penumbra)        Shift in      Δb =  0.00"
 Constants:    k2 = 0.2722810 (Umbra)       Lunar Position:   Δl =  0.00"

Geocentric Libration:   l =  -4.0°       Brown Lun. No. = 1024
(Optical + Physical)    b =  -0.3°         Saros Series =  134 (43/71)
                        c =  21.5°            Ephemeris = (DE200/LE200)

Eclipse Magnitude = 0.95758        Gamma = 0.33058        ΔT =    64.8 s


Polynomial Besselian Elements for:   2005 Oct 03   11:00:00.0 TDT  (=t0)

  n        x          y         d          l1         l2          µ

  0   0.3660487  0.1758198 -4.0922399  0.5626813  0.0164416 347.754791
  1   0.4554799 -0.2508070 -0.0154901 -0.0001022 -0.0001017  15.004341
  2   0.0000099  0.0000075  0.0000007 -0.0000103 -0.0000103  -0.000001
  3  -0.0000054  0.0000032  0.0000000  0.0000000  0.0000000   0.000000

                 Tan f1 = 0.0046741    Tan f2 = 0.0046508

At time t1 (decimal hours), each Besselian element is evaluated by:

            a = a0 + a1*t + a2*t2 + a3*t3    (or a = Σ [an*tn]; n = 0 to 3)

    where:  a = x, y, d, l1, l2, or μ
            t = t1 - t0  (decimal hours) and t0 = 11.000


The Besselian elements were derived from a least-squares fit to elements
calculated at five uniformly spaced times over a six hour period centered at t0.
The Besselian elements are valid over the period  8.00  ≤ t0 ≤ 14.00 TDT.

Note that all times are expressed in Terrestrial Dynamical Time (TDT).

       Saros Series 134:  Member 43 of 71 eclipses in series.



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Acknowledgment

All eclipse calculations are by Fred Espenak, and he assumes full responsibility for their accuracy. Permission is freely granted to reproduce this data when accompanied by an acknowledgment:

"Eclipse Predictions by Fred Espenak, NASA's GSFC"

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Eclipse Predictions & WebMaster: Fred Espenak
Planetary Systems Branch - Code 693
e-mail: espenak@gsfc.nasa.gov

NASA's Goddard Space Flight Center, Greenbelt, Maryland 20771 USA


Last revised: 2005 Sep 15 - F. Espenak