E c l i p s e s 2011 159 ------------------------------------------------------------------------------- IV. Partial solar eclipse of 2011 July 1 The eclipse is visible from southern Indian ocean. Universal time of geocentric conjunction h m s in right ascension 2011, July 1, 9 05 31.7 Geocentric coordinates of the Sun h m s s h Right ascension . . . . . . . 6 40 05.44+10.346( T- 9 ) ° ' " " h Declination . . . . . . . . . +23 07 02.3 - 9.91 ( T- 9 ) " Equatorial horizontal parallax 8.65 ' " Apparent semidiameter . . . . 15 43.86 Geocentric coordinates of the Moon h m s s h s h 2 Right ascension . . . . . . . 6 39 53.27+142.358(T- 9 )-0.025(T- 9 ) ° ' " " h " h 2 Declination . . . . . . . . . +21 40 54.7 -314.60 (T- 9 )-3.93 (T- 9 ) ' " " h " h 2 Equatorial horizontal parallax 57 25.08+ 1.487(T- 9 )-0.003(T- 9 ) ' " " h " h 2 Apparent semidiameter . . . . 15 38.77+ 0.404(T- 9 )-0.001(T- 9 ) T - universal time in hours (TDT-UT1= 67.0s) General Circumstances of the Eclipse ------------------------------------------------------------------------------ Phenomena ¦ Universal ¦ Latitude ¦ Longitude ¦ Time ¦ ¦ ------------------------------+----------------+------------+----------------- ¦ h m ¦ ° ' ¦ ° ' Eclipse begins . . . . . . . ¦ 7 53.6 ¦ -57 01.3 ¦ 13 00.8 E Greatest eclipse . . . 0.098¦ 8 38.4 ¦ -65 25.0 ¦ 28 28.0 E Eclipse ends . . . . . . . . ¦ 9 22.9 ¦ -66 28.3 ¦ 54 44.6 E Besselian Elements ------------------------------------------------------------------------------ Universal¦ x ¦ y ¦ sin d ¦ cos d ¦ u ¦ u ¦ m Time ¦ ¦ ¦ ¦ ¦ e ¦ i ¦ --------+---------+---------+---------+---------+---------+---------+--------- h m ¦ ¦ ¦ ¦ ¦ ¦ ¦ ° ' 7 50 ¦-0.67412 ¦-1.40090 ¦+0.39272 ¦+0.91966 ¦+0.54792 ¦+0.00153 ¦ 296 33.2 ¦ ¦ ¦ ¦ ¦ ¦ ¦ 8 00 ¦-0.58487 ¦-1.41557 ¦+0.39271 ¦+0.91966 ¦+0.54790 ¦+0.00151 ¦ 299 03.2 10 ¦-0.49562 ¦-1.43024 ¦+0.39271 ¦+0.91966 ¦+0.54789 ¦+0.00149 ¦ 301 33.2 20 ¦-0.40637 ¦-1.44492 ¦+0.39270 ¦+0.91967 ¦+0.54787 ¦+0.00147 ¦ 304 03.2 30 ¦-0.31712 ¦-1.45960 ¦+0.39269 ¦+0.91967 ¦+0.54785 ¦+0.00145 ¦ 306 33.2 40 ¦-0.22787 ¦-1.47429 ¦+0.39269 ¦+0.91967 ¦+0.54783 ¦+0.00144 ¦ 309 03.2 50 ¦-0.13861 ¦-1.48898 ¦+0.39268 ¦+0.91968 ¦+0.54781 ¦+0.00141 ¦ 311 33.2 ¦ ¦ ¦ ¦ ¦ ¦ ¦ 9 00 ¦-0.04936 ¦-1.50367 ¦+0.39267 ¦+0.91968 ¦+0.54779 ¦+0.00139 ¦ 314 03.1 10 ¦+0.03989 ¦-1.51837 ¦+0.39267 ¦+0.91968 ¦+0.54777 ¦+0.00137 ¦ 316 33.1 20 ¦+0.12914 ¦-1.53308 ¦+0.39266 ¦+0.91968 ¦+0.54774 ¦+0.00135 ¦ 319 03.1 30 ¦+0.21839 ¦-1.54779 ¦+0.39265 ¦+0.91969 ¦+0.54772 ¦+0.00133 ¦ 321 33.1 ---------------------------------------------------------------- Univers.¦ x' ¦ y' ¦Univers.¦ x' ¦ y' tgf =0.0045990 Time ¦ ¦ ¦ Time ¦ ¦ e --------+-----------+-----------+--------+-----------+----------tgf =0.0045761 h ¦ ¦ ¦ h ¦ ¦ i 7 ¦ +0.008924 ¦ -0.001464 ¦ 9 ¦ +0.008925 ¦ -0.001470 m'=0.0043631 8 ¦ +0.008925 ¦ -0.001467 ¦ 10 ¦ +0.008925 ¦ -0.001472