Astronomical Sky Calendar for Jan - Feb 2018
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***** 2018 JANUARY *****
Calendar for Cerro Tololo, west longitude (h.m.s) = 4 43 16, latitude (d.m) = -30 09.9
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Chilean time ( 4 hr W), for 2215 m above surroundings, DAYLIGHT time used, `*` shows night clocks are reset.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.
Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2018 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Mon Jan 01/Tue Jan 02 8120.6 5 03 34 20 56 22 24 5 10 6 38 3 28 10 14 20 21 ..... 100 6 52.9 20 48
Tue Jan 02/Wed Jan 03 8121.6 5 07 31 20 56 22 25 5 11 6 39 3 32 10 19 21 22 ..... 98 7 58.4 19 50
Wed Jan 03/Thu Jan 04 8122.6 5 11 27 20 57 22 25 5 12 6 40 3 36 10 24 22 18 ..... 94 9 01.6 17 29
Thu Jan 04/Fri Jan 05 8123.6 5 15 24 20 57 22 25 5 13 6 40 3 40 10 29 23 07 ..... 87 10 01.3 14 06
Fri Jan 05/Sat Jan 06 8124.6 5 19 21 20 57 22 24 5 14 6 41 3 44 10 34 23 50 ..... 78 10 57.2 10 01
Sat Jan 06/Sun Jan 07 8125.6 5 23 17 20 57 22 24 5 15 6 42 3 47 10 39 0 29 ..... 68 11 49.7 5 36
Sun Jan 07/Mon Jan 08 8126.6 5 27 14 20 57 22 24 5 16 6 43 3 51 10 44 1 06 ..... 58 12 39.6 1 05
Mon Jan 08/Tue Jan 09 8127.6 5 31 10 20 57 22 24 5 17 6 44 3 55 10 49 1 41 ..... 48 13 27.7 - 3 17
Tue Jan 09/Wed Jan 10 8128.6 5 35 07 20 57 22 24 5 18 6 45 3 59 10 54 2 15 ..... 38 14 14.9 - 7 21
Wed Jan 10/Thu Jan 11 8129.6 5 39 03 20 57 22 24 5 19 6 45 4 02 10 59 2 51 ..... 29 15 01.9 -11 00
Thu Jan 11/Fri Jan 12 8130.6 5 43 00 20 57 22 23 5 20 6 46 4 06 11 04 3 28 ..... 21 15 49.1 -14 07
Fri Jan 12/Sat Jan 13 8131.6 5 46 56 20 57 22 23 5 21 6 47 4 10 11 09 4 07 ..... 13 16 37.0 -16 35
Sat Jan 13/Sun Jan 14 8132.6 5 50 53 20 57 22 23 5 22 6 48 4 13 11 14 4 50 18 16 8 17 25.7 -18 19
Sun Jan 14/Mon Jan 15 8133.6 5 54 50 20 57 22 22 5 23 6 49 4 17 11 19 5 35 19 07 4 18 15.0 -19 14
Mon Jan 15/Tue Jan 16 8134.6 5 58 46 20 56 22 22 5 24 6 50 4 20 11 24 6 24 19 55 1 19 04.7 -19 18
Tue Jan 16/Wed Jan 17 8135.6 6 02 43 20 56 22 21 5 25 6 51 4 24 11 29 ..... 20 41 0 19 54.4 -18 29
Wed Jan 17/Thu Jan 18 8136.6 6 06 39 20 56 22 21 5 26 6 51 4 27 11 34 ..... 21 24 1 20 43.8 -16 50
Thu Jan 18/Fri Jan 19 8137.6 6 10 36 20 56 22 20 5 28 6 52 4 31 11 39 ..... 22 04 4 21 32.6 -14 25
Fri Jan 19/Sat Jan 20 8138.6 6 14 32 20 55 22 20 5 29 6 53 4 34 11 44 ..... 22 42 8 22 20.7 -11 19
Sat Jan 20/Sun Jan 21 8139.6 6 18 29 20 55 22 19 5 30 6 54 4 38 11 49 ..... 23 18 14 23 08.3 - 7 40
Sun Jan 21/Mon Jan 22 8140.6 6 22 25 20 55 22 19 5 31 6 55 4 41 11 54 ..... 23 52 22 23 55.9 - 3 35
Mon Jan 22/Tue Jan 23 8141.6 6 26 22 20 54 22 18 5 32 6 56 4 44 11 59 ..... 0 27 31 0 44.0 0 46
Tue Jan 23/Wed Jan 24 8142.6 6 30 19 20 54 22 17 5 33 6 57 4 48 12 05 ..... 1 03 41 1 33.3 5 14
Wed Jan 24/Thu Jan 25 8143.6 6 34 15 20 53 22 17 5 34 6 58 4 51 12 10 ..... 1 41 52 2 24.6 9 36
Thu Jan 25/Fri Jan 26 8144.6 6 38 12 20 53 22 16 5 36 6 59 4 54 12 15 ..... 2 23 63 3 18.7 13 38
Fri Jan 26/Sat Jan 27 8145.6 6 42 08 20 53 22 15 5 37 7 00 4 57 12 20 ..... 3 10 73 4 16.2 17 02
Sat Jan 27/Sun Jan 28 8146.6 6 46 05 20 52 22 15 5 38 7 01 5 00 12 25 ..... 4 03 83 5 17.1 19 30
Sun Jan 28/Mon Jan 29 8147.6 6 50 01 20 51 22 14 5 39 7 01 5 03 12 30 17 58 5 02 91 6 20.8 20 43
Mon Jan 29/Tue Jan 30 8148.6 6 53 58 20 51 22 13 5 40 7 02 5 07 12 35 19 01 6 06 97 7 25.8 20 31
Tue Jan 30/Wed Jan 31 8149.6 6 57 54 20 50 22 12 5 42 7 03 5 10 12 40 19 59 ..... 100 8 30.3 18 51
Wed Jan 31/Thu Feb 01 8150.6 7 01 51 20 50 22 11 5 43 7 04 5 13 12 45 20 52 ..... 99 9 32.6 15 56
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