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Annular Solar Eclipse

2012 May 20

Local Circumstances

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Longitude:
Latitude:
Elevation:

World visibility map

General Information
                      Equatorial Conjunction = 2012-May-20 23:59:32 TT
                        Ecliptic Conjunction = 2012-May-20 23:47:23 TT
                            Greatest Eclipse = 2012-May-20 23:53:53 TT
                                Eclipse Type = Annular
                                   Magnitude = 0.9439
                                       Gamma = +0.48279

                               Gr. Longitude = 176° 16.7' E
                                Gr. Latitude =  49° 05.7' N
                                Saros Series = 128
                                      Member = 58 of 73

Observer Location
                                   Longitude = 176° 16.7' E
                                    Latitude =  49° 05.7' N
                                   Elevation =  0 meters

Local Circumstances
                            Greatest Eclipse = 2012-May-20 23:52:47.5 UT
                                Eclipse Type = Annular
                                   Magnitude = 0.9439
                                 Obscuration = 0.8922
                                    Altitude =  60.9°
                                     Azimuth = 170.6°
                                    Duration =  5m 46.4s

Topocentric coordinates at Greatest Eclipse
                        Sun                                   Moon

                 R.A. = 03h 52m 42.9s                  R.A. = 03h 52m 41.9s
                 Dec. = 20° 13' 14.1" N                Dec. = 20° 13' 11.4" N
                 S.D. = 00° 15' 48.1"                  S.D. = 00° 14' 55.6"  

Eclipse Contact Times
                             Calendar Date and Time     Azi    Alt     PA

                Partial b    2012-May-20 22:15:41.5   130.8°  53.0°  257.8°
                Annular b    2012-May-20 23:49:54.3   170.0°  60.8°  259.6°
                Greatest     2012-May-20 23:52:47.5   170.6°  60.9°
                Annular e    2012-May-20 23:55:40.7   172.1°  60.9°   79.6°
                Partial e    2012-May-21 01:32:42.9   216.3°  57.0°   81.8°

Constants
                                          Rs = 696000 km.
                                           ε = 23° 26' 15.7"  
                                          k1 = 0.272488
                                          k2 = 0.272281
                                          ΔT = 66.81s

Please see explanaition of prediction for more details. For an animation of the eclipses please visit the solar eclipse simulator.