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E c l i p s e s, 2004
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I. Partial Solar Eclipse of 2004 April 19


The eclipse visible in southern Africa, Madagaskar, the Atlantic coast of
Antarctica, the extreme south-eastern Atlantic Ocean.

Universal time of geocentric conjunction
h m s
in right ascension 2004, April 19, 12 29 23.4

Geocentric coordinates of the Sun
h m s s h
Right ascension . . . . . . . . 1 50 44.00+ 9.326( T-12 )
o ' " " h
Declination . . . . . . . . . . +11 23 20.3 +51.62 ( T-12 )
"
Equatorial horizontal parallax . 8.75
' "
Apparent semidiameter . . . . . 15 55.23

Geocentric coordinates of the Moon
h m s s h s h 2
Right ascension . . . . . . . . 1 49 53.10+113.204(T-12 )+0.044(T-12 )
o ' " " h " h 2
Declination . . . . . . . . . . +10 07 39.0 +809.15 (T-12 )-1.46 (T-12 )
' " " h " h 2
Equatorial horizontal parallax . 55 10.90- 1.031(T-12 )+0.002(T-12 )
' " " h " h 2
Apparent semidiameter . . . . . 15 02.21- 0.281(T-12 )+0.001(T-12 )
s
T - universal time in hours ( TDT - UT1 = 66.0 )

General Circumstances of the Eclipse
----------------------------------------------------------------------
Phenomena | Universal | Latitude | Longitude
| Time | |
----------------------|----------------|------------|-----------------
| h m | o ' | o '
Eclipse begins . . . | 11 29.8 | -69 40.6 | 50 41.5 W
Greatest eclipse 0.737| 13 34.0 | -61 49.2 | 44 44.4 E
Eclipse ends . . . | 15 38.6 | -20 01.3 | 31 09.0 E

Besselian Elements

------------------------------------------------------------------------------
Universal| x | y | sin d | cos d | u | u | m
Time | | | | | e | i |
--------|---------|---------|---------|---------|---------|---------|---------
h m | | | | | | | o '
11 20 |-0.53734 |-1.52753 |+0.19737 |+0.98033 |+0.56237 |+0.01590 | 350 14.3
30 |-0.45990 |-1.48943 |+0.19741 |+0.98032 |+0.56239 |+0.01592 | 352 44.3
40 |-0.38247 |-1.45133 |+0.19745 |+0.98031 |+0.56241 |+0.01595 | 355 14.3
50 |-0.30503 |-1.41323 |+0.19749 |+0.98031 |+0.56243 |+0.01597 | 357 44.4
| | | | | | |
12 00 |-0.22760 |-1.37513 |+0.19753 |+0.98030 |+0.56245 |+0.01599 | 0 14.4
10 |-0.15016 |-1.33703 |+0.19757 |+0.98029 |+0.56247 |+0.01601 | 2 44.4
20 |-0.07272 |-1.29894 |+0.19760 |+0.98028 |+0.56249 |+0.01602 | 5 14.5
30 |+0.00472 |-1.26084 |+0.19764 |+0.98027 |+0.56251 |+0.01604 | 7 44.5
40 |+0.08216 |-1.22274 |+0.19768 |+0.98027 |+0.56253 |+0.01606 | 10 14.5
50 |+0.15960 |-1.18465 |+0.19772 |+0.98026 |+0.56254 |+0.01608 | 12 44.6
| | | | | | |
13 00 |+0.23704 |-1.14655 |+0.19776 |+0.98025 |+0.56256 |+0.01609 | 15 14.6
10 |+0.31449 |-1.10846 |+0.19780 |+0.98024 |+0.56258 |+0.01611 | 17 44.6
20 |+0.39193 |-1.07037 |+0.19784 |+0.98023 |+0.56259 |+0.01613 | 20 14.7
30 |+0.46937 |-1.03228 |+0.19788 |+0.98023 |+0.56261 |+0.01614 | 22 44.7
40 |+0.54681 |-0.99419 |+0.19792 |+0.98022 |+0.56262 |+0.01615 | 25 14.7
50 |+0.62426 |-0.95610 |+0.19796 |+0.98021 |+0.56263 |+0.01617 | 27 44.8
| | | | | | |
14 00 |+0.70170 |-0.91801 |+0.19800 |+0.98020 |+0.56265 |+0.01618 | 30 14.8
10 |+0.77914 |-0.87993 |+0.19804 |+0.98019 |+0.56266 |+0.01619 | 32 44.8
20 |+0.85658 |-0.84184 |+0.19808 |+0.98019 |+0.56267 |+0.01621 | 35 14.9
30 |+0.93402 |-0.80376 |+0.19812 |+0.98018 |+0.56268 |+0.01622 | 37 44.9
40 |+1.01146 |-0.76568 |+0.19815 |+0.98017 |+0.56270 |+0.01623 | 40 14.9
50 |+1.08889 |-0.72760 |+0.19819 |+0.98016 |+0.56271 |+0.01624 | 42 45.0
| | | | | | |
15 00 |+1.16633 |-0.68952 |+0.19823 |+0.98015 |+0.56272 |+0.01625 | 45 15.0
10 |+1.24376 |-0.65145 |+0.19827 |+0.98015 |+0.56272 |+0.01626 | 47 45.0
20 |+1.32120 |-0.61337 |+0.19831 |+0.98014 |+0.56273 |+0.01627 | 50 15.1
30 |+1.39863 |-0.57530 |+0.19835 |+0.98013 |+0.56274 |+0.01627 | 52 45.1
40 |+1.47606 |-0.53723 |+0.19839 |+0.98012 |+0.56275 |+0.01628 | 55 15.1

----------------------------------------------------------------
UT | x' | y' ! UT | x' | y' tgf =0.0046547
--------|-----------|-----------!--------|-----------|---------- e
h | | ! h | | tgf =0.0046315
11 | +0.007743 | +0.003810 ! 14 | +0.007744 | +0.003809 i
12 | +0.007744 | +0.003810 ! 15 | +0.007744 | +0.003808 m'=0.0043643
13 | +0.007744 | +0.003809 ! 16 | +0.007742 | +0.003806