Partial solar eclipse of 2018, July 13

     The eclipse is visible from the extreme southeast of Indian ocean.


                   Universal time of geocentric conjunction
                                                   h  m  s
              in right ascension  2018, July 13,  3 09 04.3


                      Geocentric coordinates of the Sun
                                               h  m  s     s         h
          Right ascension  . . . . . . . .    7 29 30.92+10.161( T- 3 )
                                               °  '  "     "         h 
          Declination  . . . . . . . . . .  +21 50 31.0 -21.66 ( T- 3 )
                                                     "                 
          Equatorial horizontal parallax . . . .    8.65               
                                                  '  "                 
          Apparent semidiameter  . . . . .      15 43.97               

                     Geocentric coordinates of the Moon
                                      h  m  s      s        h   s        h 2
 Right ascension  . . . . . . . .    7 29 07.90+162.415(T- 3 )-0.034(T- 3 )
                                      °  '  "      "        h   "        h 
 Declination  . . . . . . . . . .  +20 27 48.7 -142.83 (T- 3 )-4.72 (T- 3 )
                                         '  "      "        h   "        h 
 Equatorial horizontal parallax . . .  61 20.35+  0.188(T- 3 )-0.017(T- 3 )
                                         '  "      "        h   "        h 
 Apparent semidiameter  . . . . . .    16 42.87+  0.050(T- 3 )-0.005(T- 3 )
                                                                s   
                 T - universal time in hours  ( TDT - UT1 =   69.0 )                    

                    General Circumstances of the Eclipse

 ──────────────────────┬────────────────┬────────────┬─────────────────
         Phenomena     |   Universal    |  Latitude  |    Longitude
                       |     Time       |            |             
 ──────────────────────┼────────────────┼────────────┼─────────────────
                       │       h  m     │     °  '   │     °  '
 Eclipse begins    . . │      1 48.3    │  -53 02.7  │   96 00.3 E
 Greatest eclipse 0.337│      3 01.1    │  -68 11.2  │  127 21.5 E
 Eclipse ends    . . . │      4 13.8    │  -58 00.7  │  168 45.2 E

                             Besselian Elements

 ────────┬─────────┬─────────┬─────────┬─────────┬─────────┬─────────┬─────────
Universal│    x    │    y    │  sin d  │  cos d  │    u    │    u    │    m
  Time   │         │         │         │         │     e   │     i   │
 ────────┼─────────┼─────────┼─────────┼─────────┼─────────┼─────────┼─────────
    h  m │         │         │         │         │         │         │    °  '
   1 40  |-0.86518 |-1.30715 |+0.37223 |+0.92814 |+0.53018 |-0.01612 | 203 34.2
     50  |-0.76805 |-1.31267 |+0.37221 |+0.92815 |+0.53018 |-0.01612 | 206 04.2
         |         |         |         |         |         |         |
   2 00  |-0.67092 |-1.31819 |+0.37220 |+0.92815 |+0.53019 |-0.01612 | 208 34.2
     10  |-0.57379 |-1.32371 |+0.37218 |+0.92816 |+0.53019 |-0.01612 | 211 04.2
     20  |-0.47666 |-1.32924 |+0.37216 |+0.92817 |+0.53019 |-0.01611 | 213 34.2
     30  |-0.37952 |-1.33478 |+0.37215 |+0.92817 |+0.53019 |-0.01611 | 216 04.2
     40  |-0.28239 |-1.34032 |+0.37213 |+0.92818 |+0.53019 |-0.01611 | 218 34.2
     50  |-0.18525 |-1.34586 |+0.37212 |+0.92819 |+0.53019 |-0.01612 | 221 04.2
         |         |         |         |         |         |         |
   3 00  |-0.08811 |-1.35141 |+0.37210 |+0.92819 |+0.53019 |-0.01612 | 223 34.2
     10  |+0.00902 |-1.35696 |+0.37208 |+0.92820 |+0.53019 |-0.01612 | 226 04.2
     20  |+0.10616 |-1.36251 |+0.37207 |+0.92821 |+0.53018 |-0.01612 | 228 34.2
     30  |+0.20329 |-1.36807 |+0.37205 |+0.92821 |+0.53018 |-0.01613 | 231 04.2
     40  |+0.30042 |-1.37364 |+0.37204 |+0.92822 |+0.53017 |-0.01613 | 233 34.2
     50  |+0.39756 |-1.37921 |+0.37202 |+0.92822 |+0.53017 |-0.01614 | 236 04.2
         |         |         |         |         |         |         |
   4 00  |+0.49469 |-1.38478 |+0.37200 |+0.92823 |+0.53016 |-0.01614 | 238 34.2
     10  |+0.59182 |-1.39036 |+0.37199 |+0.92824 |+0.53016 |-0.01615 | 241 04.2
     20  |+0.68894 |-1.39594 |+0.37197 |+0.92824 |+0.53015 |-0.01616 | 243 34.2

 ────────┬───────────┬───────────╥────────┬───────────┬──────────
 Univers.│     x'    │     y'    ║Univers.│     x'    │     y'   tgf =0.0045988
   Time  │           │           ║  Time  │           │             e          
 ────────┼───────────┼───────────╫────────┼───────────┼──────────tgf =0.0045759
      h  │           │           ║     h  │           │             i          
     1   │ +0.009712 │ -0.000550 ║    4   │ +0.009713 │ -0.000557  m'=0.0043634
     2   │ +0.009713 │ -0.000552 ║    5   │ +0.009711 │ -0.000560
     3   │ +0.009714 │ -0.000555 ║        │           │