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Lunar Occultations

Total or grazing lunar occultations are among the events with the longest tradition in occultation astronomy.

For total lunar occultations as well as for grazing lunar occultations, the precise knowledge of the lunar limb is an absolute prerequisite. The MOONLIMB program does provide such precise data. An overview is given here.

Grazing Occultations of stars by the moon are local events and thus require an individual selection according to personal observation preferences. The GRAZPREP-software assists in all aspects of finding individually interesting events as well as selecting the best observing stations promising the most contacts between the star and the lunar limb in high resolution. If you are interested in these fascinating events, have a look here.

Members of IOTA get for their own observing stations predictions of lunar occultations, either total or grazing ones, specially calculated for their observatory and/or travel radius in case of mobile stations. Some bright total lunar occultations, as can be seen from a point in central Europe (Frankfurt a.M.) are given as follows:

Occultation prediction for Frankfurt, Germany
E. Longitude    8 39  0.0,  Latitude  50  8 30.0,  Alt.    0m;  Telescope dia 15cm;  dMag 0.0
   No messages for: Name, Doubles & K2 stars, Variables, Limb-nearby, Durations, Graze nearby

       day  Time     P   Star  Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA
 y   m  d  h  m   s       No  D     v    r V  ill     Alt Alt Az   o    o   o   o
19 Feb  2  6 35  2.7 R Saturn      0.6  0.6    6-  28  -4  7 137  39N 315 343 323
19 May  6 17 13 50.3 d     648SG8  3.8* 3.3s   3+  21  14 29 263  88S  93  51 101
19 Jun 30  9 38  9.6 d     648SG8  3.8* 3.3s   7-  32  55 57 190 -78S  86  80  94
19 Jun 30 10 53  4.0 R     648SG8  3.8* 3.3s   7-  31  62 52 220  76S 241 215 249
19 Aug 24  2 48 58.0 D     648SG8  3.8* 3.3s  45-  84     43 118 -85S  85 122  94
19 Aug 24  3 59 16.9 R     648SG8  3.8* 3.3s  44-  83  -5 52 139  62S 233 259 241
19 Aug 27  3 56 54.3 D    1110SF0  3.5* 3.3   15-  45  -6 31  92 -30N  38  82  29
19 Aug 27  4 37 45.4 R    1110SF0  3.5* 3.3   14-  45   0 38 101  51N 316 359 307
19 Oct 19  0 38 48.4 D     847cB4  3.0  3.1e  75- 120     48 119 -38S 141 178 142
19 Oct 19  1 10 16.6 R     847cB4  3.0  3.1e  75- 120     52 128  13S 192 225 192
19 Nov 15 21 43 11.9 D     946DM3  3.5  2.5V  88- 140     33  94 -29N  32  76  29
19 Nov 15 22 26 56.2 R     946DM3  3.5  2.5V  88- 139     40 103  56N 307 350 304
19 Nov 16  1 44 34.2 D     976SM3  2.9  2.0v  87- 138     62 167 -85S  98 107  95
19 Nov 16  3  2 10.4 R     976SM3  2.9  2.0v  87- 138     61 205  72S 255 238 251
19 Nov 28  9 28  4.3 D Jupiter    -1.7 -1.7    4+  23  15  4 134  84N  85 115  85
19 Nov 28 10 35 38.7 R Jupiter    -1.7 -1.7    4+  23  18 11 148 -59N 300 323 302
19 Dec 13  6 49 21.8 d     946DM3  3.5  2.5V  99- 167  -4 12 291 -22N  29 348  26
19 Dec 13  7 12 46.3 r     946DM3  3.5  2.5V  99- 167  -1  8 295  31N 336 297 333




Explanations you find here.

Occultations of Planets by the Moon

The Moon regularly occults inner and outer planets. These occultations have no scientific value but show the dynamics of our Solar system impressively.

Upcoming Occultations in Europe in 2018 - 2023