Understanding > Astronomical calculations
Total eclipse of the Sun of 20 March 2015
Presentation of the eclipse
Description of the eclipse
The central line begins in the North Atlantic ocean and ends at the North Pole. It is visible from Europe and from North Africa. The maximum duration of the centrality is 2m 46.8s.
Elements of the eclipse
Ephemeris used to calculate positions of the Sun and the Earth are the ephemeris Newcomb/ILE. For this calculation the value of TE-TU was exceptionally forced at 71.8 sec.
Instant of the geocentric conjunction in right ascension : the 20 March 2015 at 10h 17m 4,8s UT.
Julian day : 2457101.928528
| Characteristics | Values |
|---|---|
| Right ascension of the Sun : | 23h 58m 1.5s. |
| Declination of the Sun : | -0° 12' 50.6". |
| Right ascension of the Moon : | 23h 56m 50.5s. |
| Declination of the Moon : | +0° 42'8.6". |
| Equatorial parallax of the Sun : | 8.8". |
| Equatorial parallax of the Moon : | 1° 1' 15.8". |
| True semi-diameter of the Sun : | 16' 3.7". |
| True semi-diameter of the Moon : | 16' 41.6". |
General circumstances of the eclipse
Magnitude : 1.0445
| Circumstance | UT | Longitude | Latitude |
|---|---|---|---|
| Beginning of the general eclipse | the 20 at 7h 40m 50.6s | ||
| Maximum of the eclipse | the 20 at 9h 45m 37.6s | 6°39,0'W | +64° 26.3' |
| End of the general eclipse | the 20 at 11h 50m 10.6s |
General map of visibility
