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Eclipse Information

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A total lunar eclipse observable from the Iberian Peninsula took place during the night of May 4. The entire eclipse was visible from eastern Europe, western Asia and most of Africa. Various stages of the eclipse was in progress at moonrise for observers in western Europe, including Iberian Peninsula, and South America. In the other side, the ingress partial phases was in progress at moonset for observers in eastern Asia and Australia. This eclipse could not be observed in North America and North-East of Asia. A very special place was northern Madagascar when the Moon lied in the zenith at the instant of greatest eclipse.

The first lunar eclipse of the year (the second one will take place next October) started at 17:50 UT on May 4th with the beginning of the penumbral phase. The first umbral contact occurred at 18:48 UT. Totality began at 19:52 UT and lasted until 21:08 UT (third contact). The partial and penumbral phases ended at 22:12 UT and 23:09 UT, respectively.

Penumbral Eclipse Begins

17:50:51 UT

Partial Eclipse Begins

18:48:18 UT

Total Eclipse Begins

19:52:06 UT

Eclipse Maximum

20:30:14 UT

Total Eclipse Ends

21:08:24 UT

Partial Eclipse Ends

22:12:12 UT

Penumbral Eclipse Ends

23:09:34 UT

This was the eclipse num.33 of Saros 131 and it took place in Libra, just 1.5º south of star Zuben Elgenubi (Alpha Librae). Although this eclipse is not central, the total phase have a large duration (76 minutes). This eclipse occurred 1 day before perigee of Moon's orbit so the Moon appeared rather large (33.1 arc-minutes).


From - F. Espenak, NASA/GSFC

Some of the most interesting events to measure during a lunar eclipse are the ingress and egress phases of the Earth's shadow in several lunar craters. The timing of craters is useful in determining the atmospheric enlargement of the Earth's shadow. See Crater Timings page .

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