V. Total Lunar Eclipse of 2004 October 28
The beginning of the eclipse visible in Europe, western Asia, Africa, Ma-
dagaskar, South America, North America except Alaska, Greenland, the western
Arctic Ocean, the extreme western Indian Ocean, the Atlantic Ocean, the eas-
tern Pacific Ocean.
The end of the eclipse visible in western Europe, north-western Africa,
Antarctica pen., South and North America, Greenland, the Arctic Ocean, the At-
lantic Ocean, the eastern half of the Pacific Ocean.
Universal time of geocentric opposition
h m s
in right ascension 2004, October 28, 3 19 27.2
Sun Moon
h m s h m s
Right ascension . . . . . . . . . . . . . 14 11 03.077 2 11 03.077
s s
Hourly motion . . . . . . . . . . . . . +9.662 +118.886
o ' " o ' "
Declination. . . . . . . . . . . . . . . .-13 12 18.13 +13 29 55.09
" "
Hourly motion . . . . . . . . . . . . . -50.07 +801.89
" ' "
Equatorial horizontal parallax . . . . . . 8.85 55 58.08
' " ' "
Apparent semidiameter . . . . . . . . . . 16 05.97 15 15.06
Circumstances of the Eclipse
Position Angles
of the Moon's axis
h m o
Moon enters penumbra . . . . . . . October 28, 0 05.4 341.65
Moon enters umbra . . . . . . . . 1 14.2 341.77
Moon enters totality . . . . . . . 2 23.2 341.90
Greatest eclipse . . . . . . . . . 3 04.1 341.97
Moon leaves totality . . . . . . . 3 44.6 342.05
Moon leaves umbra . . . . . . . . 4 53.8 342.18
Moon leaves penumbra . . . . . . . 6 02.8 342.31
--------------------------------------------
Contacts| Position |The Moon being in the Zenith in
of Umbra| Angles |-------------------------------
with Limb| from the | |
of Moon |North Point| Latitude | Longitude
---------|-----------|--------------|----------------
| o ' | o ' | o '
First | 80 59.3 | +13 07.0 | 23 32.9 W
Last | 228 22.4 | +13 56.2 | 76 46.4 W
Magnitude of the eclipse 1.311
"
Angular radius of the penumbra 4419.79
"
Angular radius of the umbra 2449.21
-------------------------------------------------------------------------------
| | | |Magnitudes of! | | | |Magnitudes of
T | s | d | P |-------------! T | s | d | P |-------------
| | | |umbral| penum. | | | |umbral| penum.
| | | eclipse|eclipse | | | eclipse|eclipse
-----|-----|------|------|------|------!-----|-----|------|------|------|------
h m| "| | o | | ! h m| "| | o | |
0 00| 5495| 2.240| 74.4| - | - ! 3 10| 972| 0.397| 165.1| 1.302| 2.378
10| 5206| 2.122| 75.0| - | 0.073! 20| 1064| 0.435| 180.8| 1.251| 2.327
20| 4917| 2.004| 75.6| - | 0.230! 30| 1222| 0.499| 193.3| 1.165| 2.241
30| 4628| 1.887| 76.3| - | 0.388! 40| 1424| 0.581| 202.6| 1.055| 2.132
40| 4341| 1.770| 77.2| - | 0.545! 50| 1653| 0.675| 209.5| 0.930| 2.007
50| 4054| 1.653| 78.1| - | 0.701! | | | | |
| | | | | ! 4 00| 1900| 0.776| 214.6| 0.796| 1.873
1 00| 3769| 1.537| 79.2| - | 0.856! 10| 2158| 0.882| 218.5| 0.655| 1.732
10| 3486| 1.422| 80.4| - | 1.011! 20| 2425| 0.991| 221.6| 0.509| 1.586
20| 3204| 1.307| 81.9| 0.089| 1.165! 30| 2697| 1.102| 224.1| 0.361| 1.438
30| 2924| 1.193| 83.6| 0.242| 1.318! 40| 2973| 1.215| 226.1| 0.210| 1.287
40| 2648| 1.080| 85.7| 0.392| 1.468! 50| 3252| 1.329| 227.8| 0.057| 1.134
50| 2377| 0.970| 88.3| 0.541| 1.617! | | | | |
| | | | | ! 5 00| 3533| 1.444| 229.2| - | 0.981
2 00| 2111| 0.861| 91.5| 0.686| 1.762! 10| 3816| 1.560| 230.4| - | 0.826
10| 1854| 0.756| 95.6| 0.826| 1.902! 20| 4101| 1.676| 231.5| - | 0.671
20| 1609| 0.657| 101.1| 0.959| 2.036! 30| 4386| 1.793| 232.4| - | 0.514
30| 1384| 0.565| 108.3| 1.082| 2.158! 40| 4673| 1.910| 233.2| - | 0.358
40| 1189| 0.485| 118.2| 1.187| 2.264! 50| 4960| 2.028| 233.9| - | 0.201
50| 1041| 0.425| 131.3| 1.267| 2.343! | | | | |
| | | | | ! 6 00| 5248| 2.146| 234.6| - | 0.043
3 00| 963| 0.393| 147.6| 1.308| 2.384! 10| 5536| 2.264| 235.1| - | -
s
T - universal time ( TDT - UT1 = 66.0 );
s - the angular distance between the centers of the Moon and the shadow;
d - the linear distance between the Moon's center and that of the shadow
in terms of the shadow's radius;
P - the position angle of the Moon's disk semi-diameter directed towards
the shadow's center.