Partial Lunar Eclipse of 31 December 2009

Headline:
The last eclipse of 2009 occurs on New Year’s Eve. This minor Partial Lunar Eclipse takes place in Gemini, and is visible primarily from the Eastern Hemisphere. Greatest eclipse takes place at 19:23 UT when the eclipse magnitude will reach 0.0763. (The information below was observed by Dragon X’s Eclipse Observation & Investigation System)

Eclipse Viewer:
On 31 December 2009, Thursday night, there will be a Partial Lunar Eclipse occurs in our Earth’s shadow. The eclipse will be occurring at the Ecliptic Conjunction of 19:13:51.1 TD (19:12:45.1 UT), and the Greatest Eclipse of 19:23:45.9 TD (19:22:39.9 UT). At the moment, the Penumbral Magnitude will be at 1.0555, P. Radius of 1.2997° and the Gamma of 0.9766. The Umbral Magnitude will be at 0.0763, U. Radius of 0.7575° and the Axis of 0.9921°.

Easy Capture (1):
Ecliptic Conjunction = 19:13:51.1 TD (19:12:45.1 UT)
Greatest Eclipse = 19:23:45.9 TD (19:22:39.9 UT)

Penumbral Magnitude = 1.0555
P. Radius = 1.2997°
Gamma = 0.9766

Umbral Magnitude = 0.0763
U. Radius = 0.7575°
Axis = 0.9921°

Sun at Greatest Eclipse (Geocentric Coordinates):
When the eclipse occur, the Sun will be in the Right Ascension for 18hours 44minutes 37.2seconds. The Declination of the Sun will be in -23°02’33.1”, Apparent Semi-Diameter of 00°16’15.9”, and the Horizontal Parallax of 00°00’08.9”.

Easy Capture (2):
R.A. = 18h44m37.2s
Dec. = -23°02’33.1”
S.D. = 00°16’15.9”
H.P. = 00°00’08.9”

Moon at Greatest Eclipse (Geocentric Coordinates):
When the eclipse occur, the Moon will be in the Right Ascension for 06hours 45minutes 22.4seconds. The Declination of the Sun will be in +24°01’10.5”, Apparent Semi-Diameter of 00°16’36.6”, and the Horizontal Parallax of 01°00’57.6”.

Easy Capture (3):
R.A. = 06h45m22.4s
Dec. = +24°01’10.5”
S.D. = 00°16’36.6”
H.P. = 01°00’57.6”

Umbra Occur:

Eclipse Occur Duration:
When the eclipse occur on the day, it will passed the Penumbral Shadow for the Semi Duration of 02hours 05minutes 34seconds, and the Umbral Shadow for the Semi Duration of 00hours 29minutes 59seconds. So for the total time for the eclipse to take time(s) is 02hours 35minutes 33seconds.

Easy Capture (4):
Penumbral = 02h05m34s
Umbral = 00h29m59s
Total Occur = 02h35m33s

Best Visible:
ΔT = 66.0s
Rule = CdT (Danjon)
Eph. = VSOP87/ELP2000-85

Information Box:
Local Date(s):
31 December 2009 ~ 01 January 2009

Local Time(s):
09:37:15pm ~ 12:12:48am

Duration Occur(s):
02hours 35minutes 33seconds

Types/Percentage Occur(s):
8.0% Umbral

Best Visible From(s):
Europe, Africa, Asia

Eclipse Contacts:
On that night, the Lunar Eclipse will occur step by step by passing through the Earth’s shadow. It will started by the Penumbral Eclipse that will begins at 17:17:07 UT, then followed by the Partial Umbral Eclipse that will begins at 18:52:44 UT, next by the Partial Umbral Eclipse that will ends at 19:52:42 UT, and finally resume by the penumbral Eclipse that will be ends at 21:28:15 UT.

Easy Capture (5):
P1 = 17:17:07 UT
U1 = 18:52:44 UT
U4 = 19:52:42 UT
P4 = 21:28:15 UT