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Total lunar eclipse of 2015, September 28


The beginning of the eclipse is visible from Europe, west of Asia, Africa,
Madagascar, the east of Northern and South America, Greenland, Antarctica from
outside Atlantic ocean, the west of Indian, and Atlantic oceans.
The end of the eclipse is visible from west of Europe, western part of Af-
rica, Northern (except Alaska) and South America, Greenland, Antarctica from
outside the South America, Atlantic, and east half of Pacific oceans.


Universal time of geocentric opposition
h m s
in right ascension 2015, September 28, 2 36 18.4

Sun Moon
h m s h m s
Right ascension . . . . . . . . . . . . . 12 17 07.279 0 17 07.280
s s
Hourly motion . . . . . . . . . . . . . + 9.008 +145.486
o ' " o ' "
Declination. . . . . . . . . . . . . . . . - 1 51 10.41 + 1 29 55.00
" "
Hourly motion . . . . . . . . . . . . . -58.35 +711.88
" ' "
Equatorial horizontal parallax . . . . . . 8.78 61 26.57
' " ' "
Apparent semidiameter . . . . . . . . . . 15 57.55 16 44.56


Circumstances of the Eclipse
Position Angles
of the Moon's axis
h m o
Moon enters penumbra . . . . . . .September 28, 0 10.3 335.08
Moon enters umbra . . . . . . . . 1 06.8 335.10
Moon enters totality . . . . . . . 2 10.9 335.11
Greatest eclipse . . . . . . . . . 2 47.1 335.13
Moon leaves totality . . . . . . . 3 23.7 335.14
Moon leaves umbra . . . . . . . . 4 27.6 335.17
Moon leaves penumbra . . . . . . . 5 24.1 335.19

----------------------------------------------
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 | 53 34.9 | + 1 12.7 | 19 49.4 W
Last | 270 58.9 | + 1 52.7 | 68 08.3 W

Magnitude of the eclipse 1.284
"
Angular radius of the penumbra 4745.03
"
Angular radius of the umbra 2792.26

---------------------------------------------------------------------------------
| | | | 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 10| 5756| 2.061| 60.1| - | - | 3 00| 1299| 0.465| 321.5| 1.239| 2.211
20| 5406| 1.936| 59.3| - | 0.170 | 10| 1465| 0.525| 308.3| 1.158| 2.130
30| 5058| 1.811| 58.4| - | 0.343 | 20| 1692| 0.606| 298.2| 1.046| 2.019
40| 4711| 1.687| 57.3| - | 0.515 | 30| 1958| 0.701| 290.7| 0.915| 1.887
50| 4366| 1.563| 56.1| - | 0.687 | 40| 2250| 0.806| 285.0| 0.770| 1.742
| | | | | | 50| 2558| 0.916| 280.7| 0.616| 1.589
1 00| 4023| 1.441| 54.7| - | 0.857 | | | | | |
10| 3684| 1.319| 53.0| 0.054| 1.026 | 4 00| 2878| 1.031| 277.3| 0.457| 1.429
20| 3348| 1.199| 51.0| 0.221| 1.193 | 10| 3206| 1.148| 274.6| 0.294| 1.266
30| 3017| 1.080| 48.5| 0.386| 1.358 | 20| 3540| 1.268| 272.4| 0.128| 1.100
40| 2693| 0.964| 45.5| 0.546| 1.519 | 30| 3879| 1.389| 270.6| - | 0.932
50| 2379| 0.852| 41.6| 0.702| 1.674 | 40| 4220| 1.511| 269.1| - | 0.762
| | | | | | 50| 4564| 1.634| 267.8| - | 0.590
2 00| 2079| 0.745| 36.5| 0.851| 1.823 | | | | | |
10| 1801| 0.645| 29.9| 0.989| 1.961 | 5 00| 4910| 1.758| 266.7| - | 0.418
20| 1555| 0.557| 20.9| 1.110| 2.082 | 10| 5258| 1.883| 265.7| - | 0.245
30| 1361| 0.487| 9.1| 1.206| 2.178 | 20| 5607| 2.008| 264.9| - | 0.071
40| 1241| 0.445| 354.1| 1.266| 2.238 | 30| 5957| 2.133| 264.1| - | -
50| 1219| 0.437| 337.4| 1.278| 2.250 | | | | | |

T - universal time ( TDT - UT1 = 68.0 s);
s - the angular distance between the centers of the Moon and the shadow;
d - the linear distance between the M oon'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.