OCCULTATION OF ZC1821 on 03 May 2023



UNIVERSAL TIME OF DISAPPEARANCE & REAPPEARANCE

Occultation predictions of    1821SF0   Magnitude 2.8
Date 2023 May  3

Moon: % illumination = 92+,  Solar elongation = 148


      Disappearance
                                       U.T.  Sun Moon     CA  PA  WA   a    b
Location                             h  m  s Alt Alt Az    o   o   o  m/o  m/o

 1 AQ Isla Rey Jorge                 2 22 56     29 352  85S 123 101 +0.9 -0.4
 2 AQ Marambio Base                  2 25 38     27 349  83S 124 102 +0.8 -0.3
 3 AR Bahia Blanca                   2 15 54     53 357  44N  71  49 +4.0 +1.5
 4 AR Chosmadal                      1 50 22     52  21  64N  91  70 +2.7 -0.5
 5 AR Colonel Suarez                 2 19 54     54 355  36N  63  41 +5.3 +3.0
 6 AR Comodoro Rivadavia             2  2  0     46  10  77N 104  82 +1.9 -0.7
 7 AR Cutralco                       1 53 39     52  18  65N  93  71 +2.6 -0.5
 8 AR El Bolson                      1 50 50     48  21  77N 104  82 +2.0 -1.0
 9 AR El Maiten                      1 51 38     48  20  76N 104  82 +2.0 -0.9
10 AR Esquel                         1 52 31     47  19  78N 105  84 +1.9 -1.0
11 AR Fuerte Gral Roca               1 58  4     52  13  61N  89  67 +2.7 -0.3
12 AR General Pico                   2 14 52     56   0  35N  62  41 +5.7 +3.1
13 AR Jose De San Martin             1 54 54     46  17  79N 106  84 +1.9 -0.9
14 AR Lago Argentino                 1 58 50     40  17  88S 120  98 +1.3 -1.2
15 AR Las Heras                      1 59 53     45  13  81N 108  86 +1.7 -0.9
16 AR Malargue                       1 51 32     55  20  57N  85  63 +3.1 -0.1
17 AR Mendoza                        1 55  9     58  19  45N  73  51 +4.3 +0.9
18 AR Necochea                       2 35 39     52 343  22N  49  27 +9.9 +9.9
19 AR Neuquen                        1 56 34     52  15  63N  90  68 +2.7 -0.3
20 AR Puerto Deseado                 2  6  9     44   6  78N 105  84 +1.8 -0.6
21 AR Puerto Madryn                  2  5 29     49   6  65N  93  71 +2.4 -0.3
22 AR Rio Gallegos                   2  4  8     40  11  90N 117  96 +1.3 -1.0
23 AR Rio Grande                     2  8 11     38   7  89S 119  97 +1.2 -0.9
24 AR Rio Turbio                     2  0 20     39  16  86S 122 100 +1.3 -1.2
25 AR San Carlos De Bariloch         1 50 51     49  21  74N 102  80 +2.1 -0.9
26 AR San Julian                     2  4 11     42   9  84N 111  90 +1.6 -0.8
27 AR San Luis                       2  6 43     58   9  35N  62  41 +6.1 +2.9
28 AR San Martin Des Andes           1 49 57     50  21  72N 100  78 +2.2 -0.8
29 AR San Rafael                     1 55 40     56  17  51N  78  56 +3.7 +0.4
30 AR Santa Cruz                     2  3 37     41  10  86N 114  92 +1.5 -0.9
31 AR Santa Rosa                     2 10 24     55   3  43N  70  48 +4.4 +1.5
32 AR Trelew                         2  5 13     48   6  67N  94  72 +2.3 -0.3
33 AR Tres Arroyos                   2 25 13     53 350  33N  60  39 +5.5 +3.7
34 AR Ushuaia                        2  8 29     37   8  86S 121 100 +1.2 -0.9
35 AR Viedma                         2 11 13     51   0  55N  82  60 +3.0 +0.4
36 AR Villa Reynolds                 2 11 30     58   5  32N  59  37 +7.0 +4.1
37 CL Alto Palena                    1 51 58     46  20  80N 108  86 +1.8 -1.0
38 CL Ancud                          1 46 25     47  26  81N 108  87 +1.8 -1.2
39 CL Balmaceda                      1 54 38     44  18  84N 112  90 +1.7 -1.1
40 CL Castro                         1 47  9     47  25  82N 109  88 +1.8 -1.2
41 CL Chaiten                        1 49 37     47  23  81N 108  86 +1.8 -1.1
42 CL Chile Chico                    1 55 20     44  18  85N 113  91 +1.6 -1.1
43 CL Chillan                        1 45  7     52  26  66N  94  72 +2.6 -0.7
44 CL Concepcion                     1 42 41     51  29  69N  97  75 +2.4 -0.9
45 CL Coyhaique                      1 53 36     45  19  84N 112  90 +1.7 -1.1
46 CL Curico                         1 46 29     54  25  60N  88  66 +2.9 -0.4
47 CL Easter Island                  0 39 39   1 19  82  76S 132 110 +0.5 -1.9
48 CL La Serena                      1 47  9     59  29  44N  71  49 +4.7 +1.0
49 CL Los Angeles                    1 44 45     51  27  69N  97  75 +2.4 -0.8
50 CL Osorno                         1 46 23     48  25  77N 104  83 +2.0 -1.1
51 CL Porvenir                       2  4 29     38  12  86S 121 100 +1.2 -1.0
52 CL Puerto Montt                   1 47 13     48  25  79N 106  84 +1.9 -1.1
53 CL Puerto Williams                2  9 21     37   7  87S 121  99 +1.2 -0.9
54 CL Punta Arenas                   2  3 37     38  13  86S 122 100 +1.2 -1.1
55 CL Rancagua                       1 47 34     55  25  57N  84  63 +3.2 -0.2
56 CL Santiago                       1 48 14     56  25  54N  81  60 +3.4 +0.0
57 CL Santo Domingo                  1 44 47     55  28  58N  85  64 +3.1 -0.3
58 CL Temuco                         1 45 28     50  26  73N 100  78 +2.2 -0.9
59 CL Valdivia                       1 45 21     49  26  75N 103  81 +2.1 -1.0
60 CL Vallenar                       1 51 58     61  27  34N  61  40 +6.9 +3.1
61 FK Mount Pleasant                 2 20 28     40 351  74N 102  80 +1.6 -0.1
62 FK Stanley                        2 21 34     40 350  73N 100  79 +1.7 +0.0


      Reappearance
                                       U.T.  Sun Moon     CA  PA  WA   a    b
Location                             h  m  s Alt Alt Az    o   o   o  m/o  m/o

 1 AQ Isla Rey Jorge                 3 33  6     27 332 -81N 306 285 +0.8 +0.0
 2 AQ Marambio Base                  3 34 39     24 330 -84N 304 282 +0.7 +0.2
 3 AR Bahia Blanca                   2 56 16     51 341 -15N  12 350 -0.8 -4.3
 4 AR Chosmadal                      2 52 58     54 355 -35N 353 331 +0.4 -2.8
 5 AR Colonel Suarez                 2 49 36     53 342  -6N  21 359 -2.0 -5.9
 6 AR Comodoro Rivadavia             3 13  9     45 345 -52N 335 314 +0.8 -1.7
 7 AR Cutralco                       2 57 21     53 352 -37N 351 329 +0.4 -2.6
 8 AR El Bolson                      3  2 50     50 353 -50N 337 316 +0.8 -2.0
 9 AR El Maiten                      3  3 19     50 353 -49N 338 316 +0.8 -2.0
10 AR Esquel                         3  5  2     49 352 -51N 336 314 +0.9 -1.9
11 AR Fuerte Gral Roca               2 58 11     52 349 -33N 354 333 +0.3 -2.8
12 AR General Pico                   2 43  3     55 347  -4N  23   1 -2.5 -6.3
13 AR Jose De San Martin             3  7 40     47 350 -53N 334 313 +0.9 -1.8
14 AR Lago Argentino                 3 14 33     41 351 -70N 317 295 +1.1 -1.1
15 AR Las Heras                      3 13  4     44 347 -56N 331 309 +0.9 -1.5
16 AR Malargue                       2 47 15     56 356 -26N   1 339 +0.0 -3.3
17 AR Mendoza                        2 36 33     59 359 -13N  14 352 -1.1 -4.6
18 AR Necochea                       2 46 41     51 339   6N  34  12 +9.9 +9.9
19 AR Neuquen                        2 57 50     52 350 -34N 353 332 +0.3 -2.8
20 AR Puerto Deseado                 3 17 28     43 341 -54N 333 311 +0.8 -1.5
21 AR Puerto Madryn                  3  8 39     48 342 -39N 348 327 +0.5 -2.3
22 AR Rio Gallegos                   3 18 53     39 346 -69N 318 297 +1.0 -1.0
23 AR Rio Grande                     3 22 20     37 344 -72N 316 294 +1.0 -0.8
24 AR Rio Turbio                     3 15 52     40 351 -73N 314 293 +1.1 -0.9
25 AR San Carlos De Bariloch         3  1 29     50 353 -47N 340 319 +0.8 -2.1
26 AR San Julian                     3 17 53     41 344 -61N 326 304 +0.9 -1.2
27 AR San Luis                       2 34 34     58 356  -3N  24   2 -2.8 -6.5
28 AR San Martin Des Andes           2 59  8     52 354 -44N 343 321 +0.7 -2.3
29 AR San Rafael                     2 43 41     57 355 -19N   8 346 -0.5 -3.9
30 AR Santa Cruz                     3 17 58     41 345 -64N 323 302 +1.0 -1.1
31 AR Santa Rosa                     2 48 46     54 346 -12N  15 353 -1.2 -4.7
32 AR Trelew                         3  9 38     47 342 -40N 347 325 +0.5 -2.2
33 AR Tres Arroyos                   2 51 52     52 339  -5N  22   1 -2.4 -6.5
34 AR Ushuaia                        3 22 32     36 345 -75N 313 291 +1.0 -0.7
35 AR Viedma                         3  4 20     49 340 -27N   0 338 +0.0 -3.1
36 AR Villa Reynolds                 2 34 33     58 354   0N  27   6 -3.8 -7.6
37 CL Alto Palena                    3  5 41     48 353 -54N 333 311 +0.9 -1.8
38 CL Ancud                          3  0 43     50 358 -54N 333 312 +0.9 -1.9
39 CL Balmaceda                      3  9 35     46 352 -60N 328 306 +1.0 -1.5
40 CL Castro                         3  1 49     49 357 -55N 332 310 +1.0 -1.8
41 CL Chaiten                        3  3 38     49 355 -54N 333 311 +0.9 -1.8
42 CL Chile Chico                    3 10 31     45 352 -61N 326 305 +1.0 -1.4
43 CL Chillan                        2 49 48     55 359 -37N 351 329 +0.4 -2.7
44 CL Concepcion                     2 49 47     55   1 -40N 348 326 +0.6 -2.6
45 CL Coyhaique                      3  8 40     46 353 -60N 328 306 +1.0 -1.5
46 CL Curico                         2 45 22     57 360 -30N 358 336 +0.1 -3.2
47 CL Easter Island                  1 48 12     34  72 -89N 298 276 +1.1 -1.7
48 CL La Serena                      2 25 45     61  10 -10N  17 355 -1.5 -5.0
49 CL Los Angeles                    2 51 47     54 359 -40N 347 326 +0.6 -2.6
50 CL Osorno                         2 58 50     51 357 -50N 338 316 +0.8 -2.1
51 CL Porvenir                       3 19 19     38 348 -74N 314 292 +1.0 -0.8
52 CL Puerto Montt                   3  0 28     50 357 -52N 336 314 +0.9 -2.0
53 CL Puerto Williams                3 23 15     36 344 -74N 313 292 +1.0 -0.7
54 CL Punta Arenas                   3 18 33     38 349 -74N 313 292 +1.1 -0.8
55 CL Rancagua                       2 42 53     58   0 -26N   2 340 -0.1 -3.4
56 CL Santiago                       2 40 16     58   1 -22N   5 343 -0.3 -3.7
57 CL Santo Domingo                  2 41  8     58   2 -26N   1 339 +0.0 -3.4
58 CL Temuco                         2 55  4     53 358 -44N 343 322 +0.7 -2.3
59 CL Valdivia                       2 56 43     52 358 -47N 340 318 +0.8 -2.2
60 CL Vallenar                       2 17  4     62  14   0N  27   5 -3.7 -7.2
61 FK Mount Pleasant                 3 28 26     36 330 -54N 333 311 +0.7 -1.1
62 FK Stanley                        3 28 44     36 329 -53N 334 313 +0.7 -1.2


      Sites
Location                             E. Long    Latitude

 1 AQ Isla Rey Jorge               - 58 59.2    -62 11.4
 2 AQ Marambio Base                - 56 37.8    -64 14.3
 3 AR Bahia Blanca                 - 62 10.2    -38 43.5
 4 AR Chosmadal                    - 70 13.3    -37 26.7
 5 AR Colonel Suarez               - 61 53.4    -37 26.8
 6 AR Comodoro Rivadavia           - 67 27.9    -45 47.1
 7 AR Cutralco                     - 69 15.9    -38 56.4
 8 AR El Bolson                    - 71 31.9    -41 56.6
 9 AR El Maiten                    - 71 10.2    -42  1.8
10 AR Esquel                       - 71  8.4    -42 54.5
11 AR Fuerte Gral Roca             - 67 37.2    -39  0.0
12 AR General Pico                 - 63 45.5    -35 41.8
13 AR Jose De San Martin           - 70 27.6    -44  2.9
14 AR Lago Argentino               - 72 14.9    -50 20.1
15 AR Las Heras                    - 68 57.9    -46 32.3
16 AR Malargue                     - 69 35.0    -35 29.0
17 AR Mendoza                      - 68 47.6    -32 49.9
18 AR Necochea                     - 58 48.9    -38 29.4
19 AR Neuquen                      - 68  9.3    -38 56.9
20 AR Puerto Deseado               - 65 54.2    -47 44.1
21 AR Puerto Madryn                - 65  6.2    -42 45.5
22 AR Rio Gallegos                 - 69 18.8    -51 36.5
23 AR Rio Grande                   - 67 45.0    -53 46.7
24 AR Rio Turbio                   - 72 13.0    -51 36.4
25 AR San Carlos De Bariloch       - 71  9.5    -41  9.1
26 AR San Julian                   - 67 48.2    -49 18.4
27 AR San Luis                     - 66 21.4    -33 16.4
28 AR San Martin Des Andes         - 71  8.2    -40  4.5
29 AR San Rafael                   - 68 24.2    -34 35.3
30 AR Santa Cruz                   - 68 34.8    -50  1.0
31 AR Santa Rosa                   - 64 16.5    -36 35.3
32 AR Trelew                       - 65 16.2    -43 12.6
33 AR Tres Arroyos                 - 60 19.8    -38 23.2
34 AR Ushuaia                      - 68 17.7    -54 50.6
35 AR Viedma                       - 63  0.0    -40 52.2
36 AR Villa Reynolds               - 65 23.2    -33 43.8
37 CL Alto Palena                  - 71 48.4    -43 36.9
38 CL Ancud                        - 73 47.8    -41 54.4
39 CL Balmaceda                    - 71 41.4    -45 54.9
40 CL Castro                       - 73 46.5    -42 29.4
41 CL Chaiten                      - 72 42.0    -42 56.0
42 CL Chile Chico                  - 71 41.9    -46 34.9
43 CL Chillan                      - 72  1.9    -36 35.0
44 CL Concepcion                   - 73  3.8    -36 46.4
45 CL Coyhaique                    - 72  6.4    -45 35.7
46 CL Curico                       - 71 13.0    -34 58.0
47 CL Easter Island                -109 25.3    -27  9.9
48 CL La Serena                    - 71 11.5    -29 55.0
49 CL Los Angeles                  - 72 25.5    -37 24.1
50 CL Osorno                       - 73  3.6    -40 36.7
51 CL Porvenir                     - 70 19.2    -53 15.2
52 CL Puerto Montt                 - 73  5.6    -41 26.3
53 CL Puerto Williams              - 67 37.6    -54 55.8
54 CL Punta Arenas                 - 70 51.3    -53  0.2
55 CL Rancagua                     - 70 46.5    -34 10.4
56 CL Santiago                     - 70 32.8    -33 27.4
57 CL Santo Domingo                - 71 36.9    -33 39.4
58 CL Temuco                       - 72 38.1    -38 46.1
59 CL Valdivia                     - 73  5.2    -39 39.0
60 CL Vallenar                     - 70 45.6    -28 35.9
61 FK Mount Pleasant               - 58 26.8    -51 49.4
62 FK Stanley                      - 57 46.7    -51 41.1





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