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

PRIME CONTACT TIMES FOR LUNAR ECLIPSE 2000 JANUARY 21

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

Moon enters penumbra (PC1) 2.0221

Moon enters umbra (1C) 3.0204

Total Eclipse begins (2C) 4.0517

Middle of Eclipse (MID) 4.4330 Magnitude 1.321

Total Eclipse ends (3C) 5.2142

Moon leaves umbra (4C) 6.2455

Moon leaves penumbra (PC2) 7.2438

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

Latitude at PC1 is 17.37

Latitude at 1C is 23.91

Latitude at 2C is -46.34

Latitude at 3C is 30.97

Latitude at 4C is 9.11

Latitude at PC2 is 2.78

VALUES OF MOON's RA(H.MS) & DEC(D.MS) FOR ECLIPSE 2000 JANUARY 21

FOR PC1 8.032023 19.581191

FOR 1C 8.055705 19.532163

FOR 2C 8.084335 19.482426

FOR MID 8.102401 19.452942

FOR 3C 8.120469 19.423558

FOR 4C 8.145154 19.375823

FOR PC2 8.172941 19.334481

FOR ECLIPSE OF 00JAN21

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

2.0221, -1.5832, -0.1020, 0.7535, 0.2762, 13.4680, 1.3157, 0.00950

3.0204, -1.0110, -0.1784, 0.7531, 0.2761, 13.6916, 1.3157, 0.00953

4.0517, -0.4034, -0.2542, 0.7528, 0.2760, 13.9265, 1.3157, 0.00944

4.4330, -0.0352, -0.2975, 0.7526, 0.2760, 14.0676, 1.3157, 0.00944

5.2142, 0.3333, -0.3396, 0.7525, 0.2759, 14.2079, 1.3157, 0.00956

6.2455, 0.9445, -0.4046, 0.7523, 0.2759, 14.4386, 1.3157, 0.00957

7.2438, 1.5233, -0.4614, 0.7522, 0.2759, 14.6547, 1.3157, 0.00971

CORRECTED VALUES OF PRIMARY CONTACTS FOR ECLIPSE 2000 JANUARY 21

VALUE OF OBLATENESS USED WAS 102

ILEE TIME FOR PC1 DELTA T (SEC)

2.0224, 2.51 LATER

ILEE TIME FOR 1C DELTA T (SEC)

3.0210, 6.41 LATER

ILEE TIME FOR 2C DELTA T (SEC)

4.0526, 9.11 LATER

ILEE TIME FOR 3C DELTA T (SEC)

5.2142, 0.52 EARLIER

ILEE TIME FOR 4C DELTA T (SEC)

6.2445, 10.60 EARLIER

ILEE TIME FOR PC2 DELTA T (SEC)

7.2429, 9.28 EARLIER

COMPUTED AT 16:24:07 ON 02-23-1999