Astronomical Sky Calendar for Feb - Mar 2019
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***** 2019 FEBRUARY *****
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: --------------
(2019 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Fri Feb 01/Sat Feb 02 8516.6 7 04 50 20 49 22 11 5 44 7 05 5 15 12 49 5 01 18 42 7 18 56.7 -20 50
Sat Feb 02/Sun Feb 03 8517.6 7 08 47 20 49 22 10 5 45 7 06 5 18 12 54 5 52 19 30 3 19 47.3 -20 16
Sun Feb 03/Mon Feb 04 8518.6 7 12 43 20 48 22 09 5 46 7 07 5 21 13 00 ..... 20 14 1 20 36.9 -18 47
Mon Feb 04/Tue Feb 05 8519.6 7 16 40 20 47 22 08 5 47 7 08 5 24 13 05 ..... 20 54 0 21 25.2 -16 29
Tue Feb 05/Wed Feb 06 8520.6 7 20 36 20 47 22 07 5 48 7 08 5 27 13 10 ..... 21 31 1 22 12.3 -13 28
Wed Feb 06/Thu Feb 07 8521.6 7 24 33 20 46 22 06 5 49 7 09 5 30 13 15 ..... 22 05 4 22 58.1 - 9 53
Thu Feb 07/Fri Feb 08 8522.6 7 28 30 20 45 22 05 5 50 7 10 5 33 13 20 ..... 22 37 9 23 43.0 - 5 52
Fri Feb 08/Sat Feb 09 8523.6 7 32 26 20 44 22 04 5 52 7 11 5 36 13 25 ..... 23 09 15 0 27.7 - 1 34
Sat Feb 09/Sun Feb 10 8524.6 7 36 23 20 43 22 03 5 53 7 12 5 39 13 30 ..... 23 40 23 1 12.7 2 52
Sun Feb 10/Mon Feb 11 8525.6 7 40 19 20 43 22 02 5 54 7 13 5 42 13 35 ..... 0 13 31 1 58.8 7 19
Mon Feb 11/Tue Feb 12 8526.6 7 44 16 20 42 22 00 5 55 7 14 5 44 13 40 ..... 0 47 41 2 46.9 11 36
Tue Feb 12/Wed Feb 13 8527.6 7 48 12 20 41 21 59 5 56 7 14 5 47 13 45 ..... 1 26 52 3 37.8 15 29
Wed Feb 13/Thu Feb 14 8528.6 7 52 09 20 40 21 58 5 57 7 15 5 50 13 50 ..... 2 10 62 4 32.1 18 46
Thu Feb 14/Fri Feb 15 8529.6 7 56 05 20 39 21 57 5 58 7 16 5 53 13 55 ..... 3 00 73 5 30.2 21 08
Fri Feb 15/Sat Feb 16 8530.6 8 00 02 20 38 21 56 5 59 7 17 5 56 14 00 ..... 3 56 82 6 31.8 22 18
Sat Feb 16/Sun Feb 17 8531.6 8 03 59 20 37 21 55 6 00 7 18 5 58 14 05 18 03 5 00 90 7 35.8 22 00
Sun Feb 17/Mon Feb 18 8532.6 8 07 55 20 36 21 54 6 01 7 18 6 01 14 10 19 02 6 08 96 8 40.4 20 10
Mon Feb 18/Tue Feb 19 8533.6 8 11 52 20 35 21 52 6 02 7 19 6 04 14 15 19 55 ..... 99 9 44.0 16 54
Tue Feb 19/Wed Feb 20 8534.6 8 15 48 20 34 21 51 6 03 7 20 6 07 14 20 20 43 ..... 100 10 45.3 12 30
Wed Feb 20/Thu Feb 21 8535.6 8 19 45 20 33 21 50 6 04 7 21 6 09 14 25 21 27 ..... 96 11 43.8 7 21
Thu Feb 21/Fri Feb 22 8536.6 8 23 41 20 32 21 49 6 05 7 22 6 12 14 30 22 07 ..... 91 12 39.8 1 55
Fri Feb 22/Sat Feb 23 8537.6 8 27 38 20 31 21 48 6 06 7 22 6 15 14 35 22 46 ..... 83 13 33.8 - 3 25
Sat Feb 23/Sun Feb 24 8538.6 8 31 34 20 30 21 46 6 07 7 23 6 18 14 40 23 23 ..... 73 14 26.6 - 8 21
Sun Feb 24/Mon Feb 25 8539.6 8 35 31 20 29 21 45 6 08 7 24 6 20 14 44 0 02 ..... 63 15 18.7 -12 40
Mon Feb 25/Tue Feb 26 8540.6 8 39 28 20 28 21 44 6 09 7 25 6 23 14 49 0 42 ..... 53 16 10.5 -16 10
Tue Feb 26/Wed Feb 27 8541.6 8 43 24 20 27 21 43 6 10 7 25 6 26 14 54 1 24 ..... 43 17 02.4 -18 45
Wed Feb 27/Thu Feb 28 8542.6 8 47 21 20 26 21 41 6 11 7 26 6 28 14 59 2 10 ..... 33 17 54.1 -20 22
Thu Feb 28/Fri Mar 01 8543.6 8 51 17 20 25 21 40 6 12 7 27 6 31 15 04 2 58 ..... 25 18 45.5 -20 58
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