LUNAR ECLIPSE CIRCUMSTANCES - by BYRON W. SOULSBY,  THEODORE, ACT.

 

                   PRIME CONTACT TIMES FOR LUNAR ECLIPSE OF 19570513

 

 

 

            PRIME CONTACT                      TIME (H.MS)      in U.T.

 

            Moon enters penumbra (PC1)         19.4158

            Moon enters umbra (1C)             20.4450

            Total Eclipse begins (2C)          21.5140

            Middle of Eclipse (MID)            22.3058          Magnitude  1.305

            Total Eclipse ends (3C)            23.1015

            Moon leaves umbra (4C)              0.1706

            Moon leaves penumbra (PC2)          1.1958

 

            LUNAR LATITUDES AT PRIME CONTACTS   in D.DD, - S, + N

 

            Latitude at PC1 is                 -3.73

            Latitude at 1C is                 -10.19

            Latitude at 2C is                  33.25

            Latitude at 3C is                  47.10

            Latitude at 4C is                 -24.69

            Latitude at PC2 is                -18.40

 

             VALUES OF MOON's RA(H.MS) & DEC(D.MS) FOR ECLIPSE OF 19570513

 

             FOR PC1     15.152564,    -17.560310,   

             FOR 1C      15.175410,    -18.020893,   

             FOR 2C      15.203199,    -18.082978,   

             FOR MID     15.220482,    -18.120974,   

             FOR 3C      15.233767,    -18.154678,   

             FOR 4C      15.261563,    -18.214929,   

             FOR PC2     15.284423,    -18.272249,   

 

             FOR ECLIPSE OF 19570513

 

             TIME(H.MS), X, Y, F2, SC, C, F1(D.DD) AND LUNAR MOTION(D.DD/MINUTE)

 

   19.4158,  -1.4267,   0.5245,   0.7188,   0.2636,  16.6940,   1.2559,  0.00876

   20.4450,  -0.8786,   0.4373,   0.7184,   0.2635,  16.5008,   1.2559,  0.00875

   21.5140,  -0.2963,   0.3448,   0.7179,   0.2633,  16.2931,   1.2559,  0.00870

   22.3058,   0.0457,   0.2906,   0.7176,   0.2632,  16.1700,   1.2559,  0.00870

   23.1015,   0.3876,   0.2366,   0.7173,   0.2632,  16.0461,   1.2559,  0.00873

    0.1706,   0.9687,   0.1449,   0.7169,   0.2630,  15.8336,   1.2559,  0.00872

    1.1958,   1.5146,   0.0590,   0.7164,   0.2629,  15.6317,   1.2559,  0.00883

 

             CORRECTED VALUES OF PRIMARY CONTACTS FOR ECLIPSE OF 19570513

 

                    VALUE OF OBLATENESS USED WAS  102

 

          ILEE TIME FOR PC1 IS 19.4208,   WHICH IS   10.46   seconds LATER

          ILEE TIME FOR 1C IS  20.4500,   WHICH IS   10.68   seconds LATER

          ILEE TIME FOR 2C IS  21.5145,   WHICH IS    4.56   seconds LATER

          ILEE TIME FOR 3C IS  23.1006,   WHICH IS    9.48   seconds LATER

          ILEE TIME FOR 4C IS   0.1700,   WHICH IS    5.64   seconds EARLIER

          ILEE TIME FOR PC2 IS  1.1956,   WHICH IS    1.53   seconds EARLIER

 

COMPUTED AT 17:01:47 ON 01-08-2007