Astronomical Sky Calendar for Aug - Sep 2017
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***** 2017 AUGUST *****
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: --------------
(2017 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec
Tue Aug 01/Wed Aug 02 7967.7 20 00 31 18 18 19 33 6 06 7 21 15 33 2 07 ..... 3 21 73 16 25.4 -16 16
Wed Aug 02/Thu Aug 03 7968.7 20 04 28 18 19 19 34 6 05 7 20 15 37 2 11 ..... 4 13 81 17 14.9 -18 03
Thu Aug 03/Fri Aug 04 7969.7 20 08 24 18 19 19 34 6 04 7 19 15 42 2 14 ..... 5 03 88 18 05.4 -19 02
Fri Aug 04/Sat Aug 05 7970.7 20 12 21 18 20 19 35 6 04 7 18 15 46 2 17 ..... 5 51 93 18 56.9 -19 08
Sat Aug 05/Sun Aug 06 7971.7 20 16 17 18 20 19 35 6 03 7 18 15 51 2 20 16 25 6 37 97 19 48.8 -18 20
Sun Aug 06/Mon Aug 07 7972.7 20 20 14 18 21 19 36 6 02 7 17 15 55 2 24 17 18 7 20 100 20 40.7 -16 37
Mon Aug 07/Tue Aug 08 7973.7 20 24 11 18 22 19 36 6 02 7 16 15 59 2 27 18 13 ..... 100 21 32.3 -14 03
Tue Aug 08/Wed Aug 09 7974.7 20 28 07 18 22 19 36 6 01 7 15 16 04 2 30 19 10 ..... 98 22 23.5 -10 46
Wed Aug 09/Thu Aug 10 7975.7 20 32 04 18 23 19 37 6 00 7 14 16 08 2 33 20 07 ..... 94 23 14.2 - 6 54
Thu Aug 10/Fri Aug 11 7976.7 20 36 00 18 23 19 37 5 59 7 13 16 13 2 36 21 06 ..... 87 0 04.7 - 2 38
Fri Aug 11/Sat Aug 12 7977.7 20 39 57 18 24 19 38 5 58 7 12 16 17 2 39 22 05 ..... 79 0 55.5 1 50
Sat Aug 12/Sun Aug 13 7978.7 20 43 53 18 24 19 38 5 58 7 11 16 22 2 42 23 05 ..... 70 1 47.2 6 16
Sun Aug 13/Mon Aug 14 7979.7 20 47 50 18 25 19 39 5 57 7 11 16 26 2 46 0 06 ..... 59 2 40.4 10 26
Mon Aug 14/Tue Aug 15 7980.7 20 51 46 18 26 19 39 5 56 7 10 16 30 2 49 1 09 ..... 48 3 35.5 14 06
Tue Aug 15/Wed Aug 16 7981.7 20 55 43 18 26 19 40 5 55 7 09 16 35 2 52 2 13 ..... 37 4 32.7 16 59
Wed Aug 16/Thu Aug 17 7982.7 20 59 40 18 27 19 40 5 54 7 08 16 39 2 55 3 16 ..... 26 5 31.9 18 53
Thu Aug 17/Fri Aug 18 7983.7 21 03 36 18 27 19 41 5 53 7 07 16 44 2 58 4 17 ..... 16 6 32.4 19 37
Fri Aug 18/Sat Aug 19 7984.7 21 07 33 18 28 19 41 5 52 7 06 16 48 3 01 5 15 ..... 9 7 33.0 19 06
Sat Aug 19/Sun Aug 20 7985.7 21 11 29 18 28 19 42 5 51 7 05 16 52 3 04 6 08 16 26 3 8 32.7 17 22
Sun Aug 20/Mon Aug 21 7986.7 21 15 26 18 29 19 42 5 50 7 04 16 57 3 07 6 56 17 31 0 9 30.3 14 37
Mon Aug 21/Tue Aug 22 7987.7 21 19 22 18 29 19 43 5 49 7 02 17 01 3 10 7 39 18 35 0 10 25.6 11 05
Tue Aug 22/Wed Aug 23 7988.7 21 23 19 18 30 19 43 5 48 7 01 17 06 3 13 ..... 19 37 2 11 18.3 7 02
Wed Aug 23/Thu Aug 24 7989.7 21 27 15 18 31 19 44 5 47 7 00 17 10 3 16 ..... 20 37 7 12 08.9 2 45
Thu Aug 24/Fri Aug 25 7990.7 21 31 12 18 31 19 44 5 46 6 59 17 15 3 18 ..... 21 35 13 12 57.9 - 1 33
Fri Aug 25/Sat Aug 26 7991.7 21 35 09 18 32 19 45 5 45 6 58 17 19 3 21 ..... 22 31 20 13 45.9 - 5 40
Sat Aug 26/Sun Aug 27 7992.7 21 39 05 18 32 19 45 5 44 6 57 17 23 3 24 ..... 23 26 29 14 33.4 - 9 26
Sun Aug 27/Mon Aug 28 7993.7 21 43 02 18 33 19 46 5 43 6 56 17 28 3 27 ..... 0 20 38 15 21.0 -12 44
Mon Aug 28/Tue Aug 29 7994.7 21 46 58 18 33 19 46 5 42 6 55 17 32 3 30 ..... 1 13 48 16 09.2 -15 26
Tue Aug 29/Wed Aug 30 7995.7 21 50 55 18 34 19 47 5 41 6 54 17 37 3 33 ..... 2 05 57 16 58.2 -17 28
Wed Aug 30/Thu Aug 31 7996.7 21 54 51 18 34 19 47 5 40 6 52 17 41 3 36 ..... 2 55 66 17 48.1 -18 43
Thu Aug 31/Fri Sep 01 7997.7 21 58 48 18 35 19 48 5 39 6 51 17 46 3 38 ..... 3 44 75 18 38.9 -19 08
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