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Understanding > Astronomical calculations

Partial eclipse of the Sun on 5/6 January 2019

Presentation of the eclipse






Description of the eclipse


The eclipse is partial, visible from China, Siberia, Japan and the north of the Pacific ocean.



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 75.7 sec.



Instant of the geocentric conjunction in right ascension : the 6 January 2019 at 1h 43m 34.7s UT.


Julian day : : 2458489.571929

Characteristics Values
Right ascension of the Sun : 19h 06m 57.3s.
Declination of the Sun : -22° 32' 36.8".
Right ascension of the Moon : 19h 06m 52.9s.
Declination of the Moon : -21° 30'36.9".
Equatorial parallax of the Sun  :  8.9".
Equatorial parallax of the Moon : 54' 27.6".
True semi-diameter of the Sun  : 16' 15.9".
True semi-diameter of the Moon : 14' 50.4".


General circumstances of the eclipse


Magnitude : 0.7147

Circumstances UT
Beginning of the general eclipse the 5 at  23h 34m 1.8s
Maximum of the eclipse the 6 at  1h 41m 21.7s
End of the general eclipse the 6 at 3h 48m 44.1s


General map of visibility