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Understanding > Astronomical calculations

Annular eclipse of the Sun of 1 September 2016

Presentation of the eclipse






Description of the eclipse


The central line begins in the Atlantic ocean, goes across Africa, and ends in the Pacific. The eclipse is visible from most of Africa. The maximum duration of the centrality is 3m 5.6 s.



Elements of the eclipse


Ephemeris used to calculate positions of the Sun and Earth are the ephemeris Newcomb/ILE. For this calculation the value of TE-TU was exceptionally forced at 73.3 sec.



Instant of the geocentric conjunction in right ascension : the 1 September 2016 at 9h 18m 1.5s UT.


Julian day : : 2457632.887517

Characteristics Values
Right ascension of the Sun : 10h 43m 43.3s.
Declination of the Sun : +8° 03' 38.3".
Right ascension of the Moon : 10h 43m 22.2s.
Declination of the Moon : +7° 45'51.3".
Equatorial parallax of the Sun  :  8.7".
Equatorial parallax of the Moon : 55' 48.5".
True semi-diameter of the Sun  : 15' 51.0".
True semi-diameter of the Moon : 15' 12.4".


General circumstances of the eclipse


Magnitude : 0.9736

Circumstances UT Longitude Latitude
Beginning of the general eclipse the 1 at  6h 13m 5.4s    
Maximum of the eclipse the 1 at  9h 6m 50.8s 37°46.4'E -10° 40.8'
End of the general eclipse the 1 at 12h 0m 37.4s    


General map of visibility