Understanding > Astronomical calculations
Partial eclipse of the Sun on 1 June 2011
Presentation of the eclipse
Description of the eclipse
The eclipse is visible from the glacial Arctic Ocean, the north of Canada, Siberia and Greenland.
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 68.0 sec.
Instant of the geocentric conjunction in right ascension : the 1 June 2011 at 21h 21m 58.9s UT.
Julian day : : 2455714.390265
| Characteristics | Values |
|---|---|
| Right ascension of the Sun : | 4h 37m 53.4s. |
| Declination of the Sun : | +22° 05' 47.4". |
| Right ascension of the Moon : | 4h 37m 41.0s. |
| Declination of the Moon : | +23° 13' 19.0". |
| Equatorial parallax of the Sun : | 8.7". |
| Equatorial parallax of the Moon : | 55' 52.1". |
| True semi-diameter of the Sun : | 15' 46.3". |
| True semi-diameter of the Moon : | 15' 13.4". |
General circumstances of the eclipse
Magnitude : 0.6013
| Circumstances | UT |
|---|---|
| Beginning of the general eclipse | the 1 at 19h 25m 17.2s |
| Maximum of the eclipse | the 1 at 21h 16m 11.2s |
| End of the general eclipse | the 1 at 23h 6m 57.3s |
General map
