LUNAR ECLIPSE CIRCUMSTANCES - by BYRON W. SOULSBY, THEODORE, ACT
PRIME CONTACT TIMES FOR LUNAR ECLIPSE OF
2008 FEBRUARY 21
PRIME CONTACT TIME (H.MS) in U.T.
Moon enters penumbra (PC1) 0.3451
Moon enters umbra (1C) 1.4257
Total Eclipse begins (2C) 3.0031
Middle of Eclipse (MID) 3.2600 Magnitude 1.111
Total Eclipse ends (3C) 3.5130
Moon leaves umbra (4C) 5.0904
Moon leaves penumbra (PC2) 6.1710
LUNAR LATITUDES AT PRIME CONTACTS in D.DD, - S, + N
Latitude at PC1 is 7.20
Latitude at 1C is 16.09
Latitude at 2C is -53.03
Latitude at 3C is -67.32
Latitude at 4C is 30.69
Latitude at PC2 is 21.93
VALUES OF MOON's RA(H.MS) & DEC(D.MS)
FOR PC1 10.090173, 11.094206,
FOR 1C 10.111998, 10.531177,
FOR 2C 10.135701, 10.342002,
FOR MID 10.144850, 10.280730,
FOR 3C 10.153995, 10.215420,
FOR 4C 10.181617, 10.025658,
FOR PC2 10.203289, 9.461530,
TIME
(H.MS)
X
(D.DD)
Y
(D.DD)
F2
(D.DD)
SC
(D.DD)
C
(D.DD)
F1
(D.DD)
LUNAR MOTION(D.DD/MINUTE)
0.3451
-1.4758
0.3139
0.6988
0.2598
19.0623
1.2474
0.00839
1.4257
-0.9562
0.0537
0.6983
0.2597
19.1782
1.2474
0.00840
3.0031
-0.3648
-0.2426
0.6978
0.2595
19.3076
1.2474
0.00815
3.2600
-0.1706
-0.3400
0.6976
0.2595
19.3494
1.2474
0.00815
3.5130
0.0235
-0.4373
0.6975
0.2594
19.3910
1.2474
0.00839
5.0904
0.6137
-0.7332
0.6969
0.2593
19.5155
1.2474
0.00836
6.1710
1.1309
-0.9928
0.6965
0.2592
19.6224
1.2474
0.00854
CORRECTED VALUES OF PRIMARY CONTACTS
VALUE OF OBLATENESS USED WAS 102
ILEE TIME FOR PC1 DELTA T (SEC)
0.3458,
6.54 LATER
ILEE TIME FOR 1C DELTA T (SEC)
1.4258,
1.91 LATER
ILEE TIME FOR 2C DELTA T (SEC)
3.0038,
7.58 LATER
ILEE TIME FOR 3C DELTA T (SEC)
3.5056,
34.13 EARLIER
ILEE TIME FOR 4C DELTA T (SEC)
5.0859,
4.66 EARLIER
ILEE TIME FOR PC2 DELTA T (SEC)
6.1707,
2.88 EARLIER
COMPUTED AT 17:13:32 ON 09-11-2003