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

 

                   PRIME CONTACT TIMES FOR LUNAR ECLIPSE OF 19670424

 

 

 

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

 

            Moon enters penumbra (PC1)          9.2820

            Moon enters umbra (1C)             10.2442

            Total Eclipse begins (2C)          11.2702

            Middle of Eclipse (MID)            12.0628          Magnitude  1.342

            Total Eclipse ends (3C)            12.4553

            Moon leaves umbra (4C)             13.4813

            Moon leaves penumbra (PC2)         14.4435

 

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

 

            Latitude at PC1 is                -17.53

            Latitude at 1C is                 -23.39

            Latitude at 2C is                  44.29

            Latitude at 3C is                  31.29

            Latitude at 4C is                 -10.11

            Latitude at PC2 is                 -4.23

 

             VALUES OF MOON's RA(H.MS) & DEC(D.MS) FOR ECLIPSE OF 19670424

 

             FOR PC1     13.595314,    -11.442082,   

             FOR 1C      14.020487,    -11.593820,   

             FOR 2C      14.043080,    -12.162794,   

             FOR MID     14.060325,    -12.270401,   

             FOR 3C      14.073580,    -12.373799,   

             FOR 4C      14.100233,    -12.541586,   

             FOR PC2     14.121507,    -13.091349,   

 

             FOR ECLIPSE OF 19670424

 

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

 

    9.2820,  -1.2836,   0.9486,   0.7715,   0.2780,  18.9950,   1.3118,  0.00987

   10.2442,  -0.7815,   0.7087,   0.7713,   0.2780,  18.8826,   1.3118,  0.00987

   11.2702,  -0.2263,   0.4437,   0.7712,   0.2779,  18.7557,   1.3118,  0.00987

   12.0628,   0.1249,   0.2761,   0.7711,   0.2779,  18.6739,   1.3118,  0.00987

   12.4553,   0.4760,   0.1087,   0.7710,   0.2779,  18.5910,   1.3118,  0.00986

   13.4813,   1.0309,  -0.1559,   0.7708,   0.2778,  18.4577,   1.3118,  0.00986

   14.4435,   1.5325,  -0.3948,   0.7706,   0.2778,  18.3347,   1.3118,  0.00986

 

             CORRECTED VALUES OF PRIMARY CONTACTS FOR ECLIPSE OF 19670424

 

                    VALUE OF OBLATENESS USED WAS  102

 

          ILEE TIME FOR PC1 IS  9.2826,   WHICH IS    5.67   seconds LATER

          ILEE TIME FOR 1C IS  10.2444,   WHICH IS    2.13   seconds LATER

          ILEE TIME FOR 2C IS  11.2719,   WHICH IS   17.00   seconds LATER

          ILEE TIME FOR 3C IS  12.4547,   WHICH IS    6.52   seconds LATER

          ILEE TIME FOR 4C IS  13.4809,   WHICH IS    4.65   seconds EARLIER

          ILEE TIME FOR PC2 IS 14.4428,   WHICH IS    7.10   seconds EARLIER

 

COMPUTED AT 17:26:23 ON 12-03-2007