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Дата изменения: Wed Mar 2 14:51:01 2016
Дата индексирования: Sun Apr 10 02:05:56 2016
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Поисковые слова: освещенность

Partial Lunar Eclipse of 1999 July 28

The beginning of the eclipse visible in North America ( except for the
north-east ), the western half of South America, Antarctica, Australia, New
Zealand, New Guinea, extreme north-eastern Asia, the Pacific Ocean.
The end of the eclipse visible in eastern Asia, the western coast of North
America, Antarctica, Australia, New Zealand, the Pacific Ocean, the eastern
half of the Indian Ocean.

Universal time of geocentric opposition
h m s
in right ascension 1999, July 28, 11 46 51.5

Sun Moon
h m s h m s
Right ascension . . . . . . 8 29 17.933 20 29 17.933
s s
Hourly motion . . . . . +9.806 +131.333
o , ,, o , ,,
Declination. . . . . . . . . . +19 01 15.94 -18 17 00.16
,, ,,
Hourly motion . . . . . -34.57 +287.18
,, , ,,
Equatorial horizontal parallax 8.66 55 42.72
, ,, , ,,
Apparent semidiameter. . . . . 15 45.04 15 10.88

Circumstances of the Eclipse
Position Angles
of the Moon's axis
h m o
Moon enters penumbra July 28, 8 56.2 345.03
Moon enters umbra 10 22.0 344.77
Greatest eclipse 11 33.8 344.55
Moon leaves umbra 12 45.4 344.34
Moon leaves penumbra 14 11.1 344.08

п”п”п”п”п”п”п”п”п”п’п”п”п”п”п”п”п”п”п”п”п”п’п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”
Contactsя– Position я–The Moon being in the Zenith in
of Umbraя– Angles п“п”п”п”п”п”п”п”п”п”п”п”п”п”п”п’п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”
with Limbя– from the я– я–
of Moon я–North Pointя– Latitude я– Longitude
п”п”п”п”п”п”п”п”п”п•п”п”п”п”п”п”п”п”п”п”п”п•п”п”п”п”п”п”п”п”п”п”п”п”п”п”п•п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”
я– o , я– o , я– o ,
First я– 133 26.0 я– -18 30.6 я– 154 34.9 W
Last я– 210 03.7 я– -18 19.2 я– 170 45.4 E

Magnitude of the eclipse 0.399
,,
Angular radius of the penumbra 4381.90
,,
Angular radius of the umbra 2454.16
п”п”п”п”п”п’п”п”п”п”п”п’п”п”п”п”п”п’п”п”п”п”п”п’п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”пўп”п”п”п”п”п’п”п”п”п”п”п’п”п”п”п”п”п’п”п”п”п”п”п’п”п”п”п”п”п”п”п”п”п”п”п”п”п”п”
я– я– я– я– Magnitudes of я” я– я– я– я– Magnitudes of
T я– s я– d я– P п“п”п”п”п”п”п”п”п’п”п”п”п”п”п”п”б¶ T я– s я– d я– P п“п”п”п”п”п”п”п”п’п”п”п”п”п”п”п”
я– я– я– я– umbralя– penum.я” я– я– я– я– umbralя– penum.
я– я– я– я–eclipseя–eclipseя” я– я– я– я–eclipseя–eclipse
п”п”п”п”п”п•п”п”п”п”п”п•п”п”п”п”п”п•п”п”п”п”п”п•п”п”п”п”п”п”п”п•п”п”п”п”п”п”п”п§п”п”п”п”п”п•п”п”п”п”п”п•п”п”п”п”п”п•п”п”п”п”п”п•п”п”п”п”п”п”п”п•п”п”п”п”п”п”п”
h mя– ,,я– я– o я– я– я” h mя– ,,я– я– o я– я–
8 50я– 5444я–2.221я–111.1я– п” я– п” я”11 40я– 2634я–1.073я–175.7я– 0.396 я– 1.454
я– я– я– я– я– я” 50я– 2671я–1.088я–182.0я– 0.376 я– 1.434
9 00я– 5191я–2.118я–112.6я– п” я– 0.053 я” я– я– я– я– я–
10я– 4942я–2.016я–114.3я– п” я– 0.190 я”12 00я– 2738я–1.115я–187.9я– 0.339 я– 1.397
20я– 4698я–1.916я–116.1я– п” я– 0.324 я” 10я– 2833я–1.154я–193.6я– 0.287 я– 1.345
30я– 4460я–1.819я–118.2я– п” я– 0.455 я” 20я– 2955я–1.204я–198.8я– 0.221 я– 1.279
40я– 4228я–1.724я–120.5я– п” я– 0.582 я” 30я– 3099я–1.262я–203.6я– 0.142 я– 1.200
50я– 4004я–1.633я–123.1я– п” я– 0.705 я” 40я– 3263я–1.329я–207.9я– 0.053 я– 1.110
я– я– я– я– я– я” 50я– 3444я–1.402я–211.8я– п” я– 1.011
10 00я– 3789я–1.545я–125.9я– п” я– 0.823 я” я– я– я– я– я–
10я– 3585я–1.462я–129.1я– п” я– 0.934 я”13 00я– 3640я–1.482я–215.3я– п” я– 0.905
20я– 3394я–1.384я–132.7я– п” я– 1.039 я” 10я– 3847я–1.566я–218.4я– п” я– 0.791
30я– 3217я–1.312я–136.7я– 0.077 я– 1.136 я” 20я– 4066я–1.655я–221.2я– п” я– 0.672
40я– 3059я–1.247я–141.1я– 0.164 я– 1.223 я” 30я– 4293я–1.747я–223.7я– п” я– 0.547
50я– 2920я–1.190я–146.0я– 0.240 я– 1.298 я” 40я– 4527я–1.843я–225.9я– п” я– 0.419
я– я– я– я– я– я” 50я– 4768я–1.940я–227.9я– п” я– 0.287
11 00я– 2805я–1.143я–151.3я– 0.302 я– 1.361 я” я– я– я– я– я–
10я– 2717я–1.107я–157.1я– 0.351 я– 1.409 я”14 00я– 5014я–2.040я–229.7я– п” я– 0.153
20я– 2658я–1.083я–163.1я– 0.383 я– 1.441 я” 10я– 5265я–2.142я–231.3я– п” я– 0.015
30я– 2630я–1.072я–169.4я– 0.398 я– 1.456 я” 20я– 5520я–2.246я–232.8я– п” я– п”

T - universal time (TDT-UT1= 63.7s);
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.