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

PRIME CONTACT TIMES FOR LUNAR ECLIPSE OF 18780813

PARTIAL ECLIPSE

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

Moon enters penumbra (PC1) 21.2107

Moon enters umbra (1C) 22.4228

Middle of Eclipse (MID) 0.0827 Magnitude 0.596

Moon leaves umbra (4C) 1.3425

Moon leaves penumbra (PC2) 2.5546

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

Latitude at PC1 is -18.00

Latitude at 1C is -35.38

Latitude at 4C is -49.53

Latitude at PC2 is -32.32

VALUES OF MOON's RA(H.MS) & DEC(D.MS) FOR ECLIPSE OF 18780813

FOR PC1 21.233021, -14.480924,

FOR 1C 21.260838, -14.313935,

FOR 2C 21.285499, -14.140678,

FOR 4C 21.314103, -13.562789,

FOR PC2 21.341762, -13.394039,

FOR ECLIPSE OF 18780813

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

-2.3853, -1.4545, 0.0280, 0.6677, 0.2498, -16.7180, 1.2037, 0.00788

-1.1732, -0.8700, 0.2890, 0.6674, 0.2497, -16.8639, 1.2037, 0.00787

0.0827, -0.2529, 0.5649, 0.6670, 0.2496, -17.0146, 1.2037, 0.00787

1.3425, 0.3637, 0.8407, 0.6666, 0.2494, -17.1617, 1.2037, 0.00786

2.5546, 0.9463, 1.1017, 0.6662, 0.2494, -17.2976, 1.2037, 0.00785

CORRECTED VALUES OF PRIMARY CONTACTS FOR ECLIPSE OF 18780813

VALUE OF OBLATENESS USED WAS 102

ILEE TIME FOR PC1 IS 21.2109, WHICH IS 1.79 seconds LATER

ILEE TIME FOR 1C IS 22.4251, WHICH IS 23.52 seconds LATER

ILEE TIME FOR 4C IS 1.3327, WHICH IS 58.55 seconds EARLIER

ILEE TIME FOR PC2 IS 2.5536, WHICH IS 10.67 seconds EARLIER

COMPUTED AT 14:56:02 ON 01-08-2007