2018
***** 2018 JANUARY *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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 8120.8 6 21 01 17 37 19 01 6 00 7 23 1 21 12 22 17 29 7 56 100 7 02.7 19 47
Tue Jan 02/Wed Jan 03 8121.8 6 24 58 17 38 19 01 6 00 7 24 1 25 12 26 18 35 ..... 98 8 08.1 18 34
Wed Jan 03/Thu Jan 04 8122.8 6 28 54 17 39 19 02 6 01 7 24 1 30 12 31 19 43 ..... 93 9 11.0 16 03
Thu Jan 04/Fri Jan 05 8123.8 6 32 51 17 39 19 03 6 01 7 24 1 35 12 35 20 51 ..... 85 10 10.3 12 31
Fri Jan 05/Sat Jan 06 8124.8 6 36 48 17 40 19 03 6 01 7 24 1 39 12 39 21 56 ..... 76 11 05.8 8 21
Sat Jan 06/Sun Jan 07 8125.8 6 40 44 17 41 19 04 6 01 7 24 1 44 12 43 22 58 ..... 66 11 58.1 3 53
Sun Jan 07/Mon Jan 08 8126.8 6 44 41 17 42 19 05 6 01 7 24 1 49 12 47 23 57 ..... 56 12 47.9 - 0 37
Mon Jan 08/Tue Jan 09 8127.8 6 48 37 17 43 19 05 6 01 7 24 1 53 12 51 0 55 ..... 46 13 36.0 - 4 57
Tue Jan 09/Wed Jan 10 8128.8 6 52 34 17 44 19 06 6 01 7 24 1 58 12 55 1 50 ..... 36 14 23.3 - 8 58
Wed Jan 10/Thu Jan 11 8129.8 6 56 30 17 44 19 07 6 01 7 24 2 03 12 59 2 45 ..... 27 15 10.4 -12 31
Thu Jan 11/Fri Jan 12 8130.8 7 00 27 17 45 19 08 6 01 7 24 2 07 13 03 3 39 ..... 19 15 57.9 -15 30
Fri Jan 12/Sat Jan 13 8131.8 7 04 23 17 46 19 09 6 01 7 24 2 12 13 07 4 32 ..... 12 16 46.0 -17 50
Sat Jan 13/Sun Jan 14 8132.8 7 08 20 17 47 19 09 6 01 7 24 2 17 13 11 5 23 ..... 7 17 34.9 -19 24
Sun Jan 14/Mon Jan 15 8133.8 7 12 17 17 48 19 10 6 01 7 23 2 22 13 15 6 13 16 08 3 18 24.3 -20 10
Mon Jan 15/Tue Jan 16 8134.8 7 16 13 17 49 19 11 6 01 7 23 2 26 13 18 7 00 16 55 1 19 14.1 -20 04
Tue Jan 16/Wed Jan 17 8135.8 7 20 10 17 50 19 12 6 01 7 23 2 31 13 22 7 44 17 45 0 20 03.7 -19 07
Wed Jan 17/Thu Jan 18 8136.8 7 24 06 17 51 19 12 6 01 7 23 2 36 13 26 ..... 18 38 1 20 52.9 -17 20
Thu Jan 18/Fri Jan 19 8137.8 7 28 03 17 51 19 13 6 01 7 22 2 40 13 30 ..... 19 31 4 21 41.4 -14 48
Fri Jan 19/Sat Jan 20 8138.8 7 31 59 17 52 19 14 6 01 7 22 2 45 13 34 ..... 20 26 9 22 29.3 -11 37
Sat Jan 20/Sun Jan 21 8139.8 7 35 56 17 53 19 15 6 00 7 22 2 50 13 37 ..... 21 22 15 23 16.8 - 7 55
Sun Jan 21/Mon Jan 22 8140.8 7 39 52 17 54 19 16 6 00 7 21 2 55 13 41 ..... 22 18 23 0 04.2 - 3 48
Mon Jan 22/Tue Jan 23 8141.8 7 43 49 17 55 19 16 6 00 7 21 2 59 13 45 ..... 23 15 32 0 52.2 0 32
Tue Jan 23/Wed Jan 24 8142.8 7 47 46 17 56 19 17 6 00 7 21 3 04 13 48 ..... 0 14 42 1 41.6 4 58
Wed Jan 24/Thu Jan 25 8143.8 7 51 42 17 57 19 18 5 59 7 20 3 09 13 52 ..... 1 15 53 2 33.1 9 16
Thu Jan 25/Fri Jan 26 8144.8 7 55 39 17 58 19 19 5 59 7 20 3 14 13 56 ..... 2 18 64 3 27.5 13 12
Fri Jan 26/Sat Jan 27 8145.8 7 59 35 17 59 19 20 5 59 7 19 3 18 13 59 ..... 3 24 75 4 25.3 16 28
Sat Jan 27/Sun Jan 28 8146.8 8 03 32 18 00 19 20 5 58 7 19 3 23 14 03 ..... 4 29 84 5 26.5 18 45
Sun Jan 28/Mon Jan 29 8147.8 8 07 28 18 01 19 21 5 58 7 18 3 28 14 06 ..... 5 34 92 6 30.4 19 46
Mon Jan 29/Tue Jan 30 8148.8 8 11 25 18 01 19 22 5 57 7 18 3 33 14 10 16 10 6 34 98 7 35.4 19 20
Tue Jan 30/Wed Jan 31 8149.8 8 15 21 18 02 19 23 5 57 7 17 3 37 14 13 17 17 7 28 100 8 39.7 17 28
Wed Jan 31/Thu Feb 01 8150.8 8 19 18 18 03 19 23 5 56 7 16 3 42 14 17 18 26 ..... 99 9 41.7 14 21
***** 2018 FEBRUARY *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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
Thu Feb 01/Fri Feb 02 8151.8 8 23 15 18 04 19 24 5 56 7 16 3 47 14 20 19 34 ..... 96 10 40.4 10 21
Fri Feb 02/Sat Feb 03 8152.8 8 27 11 18 05 19 25 5 55 7 15 3 52 14 23 20 39 ..... 89 11 36.0 5 51
Sat Feb 03/Sun Feb 04 8153.8 8 31 08 18 06 19 26 5 55 7 14 3 56 14 27 21 42 ..... 82 12 28.6 1 09
Sun Feb 04/Mon Feb 05 8154.8 8 35 04 18 07 19 27 5 54 7 13 4 01 14 30 22 42 ..... 73 13 19.2 - 3 26
Mon Feb 05/Tue Feb 06 8155.8 8 39 01 18 08 19 27 5 53 7 13 4 06 14 33 23 41 ..... 63 14 08.3 - 7 42
Tue Feb 06/Wed Feb 07 8156.8 8 42 57 18 09 19 28 5 53 7 12 4 10 14 37 0 37 ..... 53 14 56.7 -11 31
Wed Feb 07/Thu Feb 08 8157.8 8 46 54 18 10 19 29 5 52 7 11 4 15 14 40 1 32 ..... 43 15 44.9 -14 44
Thu Feb 08/Fri Feb 09 8158.8 8 50 50 18 10 19 30 5 51 7 10 4 20 14 43 2 25 ..... 34 16 33.5 -17 18
Fri Feb 09/Sat Feb 10 8159.8 8 54 47 18 11 19 31 5 50 7 10 4 25 14 46 3 18 ..... 25 17 22.4 -19 05
Sat Feb 10/Sun Feb 11 8160.8 8 58 44 18 12 19 31 5 50 7 09 4 29 14 49 4 08 ..... 18 18 11.9 -20 04
Sun Feb 11/Mon Feb 12 8161.8 9 02 40 18 13 19 32 5 49 7 08 4 34 14 53 4 56 ..... 11 19 01.6 -20 12
Mon Feb 12/Tue Feb 13 8162.8 9 06 37 18 14 19 33 5 48 7 07 4 39 14 56 5 41 ..... 6 19 51.4 -19 28
Tue Feb 13/Wed Feb 14 8163.8 9 10 33 18 15 19 34 5 47 7 06 4 43 14 59 6 23 16 31 2 20 40.9 -17 53
Wed Feb 14/Thu Feb 15 8164.8 9 14 30 18 16 19 34 5 46 7 05 4 48 15 02 7 03 17 25 0 21 29.9 -15 31
Thu Feb 15/Fri Feb 16 8165.8 9 18 26 18 17 19 35 5 46 7 04 4 53 15 05 7 40 18 20 0 22 18.3 -12 27
Fri Feb 16/Sat Feb 17 8166.8 9 22 23 18 17 19 36 5 45 7 03 4 58 15 08 ..... 19 16 2 23 06.2 - 8 50
Sat Feb 17/Sun Feb 18 8167.8 9 26 19 18 18 19 37 5 44 7 02 5 02 15 11 ..... 20 13 6 23 53.9 - 4 46
Sun Feb 18/Mon Feb 19 8168.8 9 30 16 18 19 19 37 5 43 7 01 5 07 15 14 ..... 21 10 11 0 41.8 - 0 27
Mon Feb 19/Tue Feb 20 8169.8 9 34 13 18 20 19 38 5 42 7 00 5 12 15 17 ..... 22 09 19 1 30.6 3 57
Tue Feb 20/Wed Feb 21 8170.8 9 38 09 18 21 19 39 5 41 6 59 5 16 15 20 ..... 23 09 27 2 20.9 8 15
Wed Feb 21/Thu Feb 22 8171.8 9 42 06 18 21 19 40 5 40 6 58 5 21 15 23 ..... 0 10 38 3 13.3 12 13
Thu Feb 22/Fri Feb 23 8172.8 9 46 02 18 22 19 40 5 39 6 57 5 26 15 26 ..... 1 13 49 4 08.4 15 35
Fri Feb 23/Sat Feb 24 8173.8 9 49 59 18 23 19 41 5 38 6 56 5 30 15 29 ..... 2 17 60 5 06.4 18 06
Sat Feb 24/Sun Feb 25 8174.8 9 53 55 18 24 19 42 5 37 6 55 5 35 15 32 ..... 3 19 71 6 06.9 19 31
Sun Feb 25/Mon Feb 26 8175.8 9 57 52 18 25 19 43 5 36 6 54 5 40 15 35 ..... 4 19 81 7 09.2 19 38
Mon Feb 26/Tue Feb 27 8176.8 10 01 48 18 25 19 43 5 35 6 52 5 44 15 37 ..... 5 14 90 8 11.8 18 23
Tue Feb 27/Wed Feb 28 8177.8 10 05 45 18 26 19 44 5 34 6 51 5 49 15 40 ..... 6 05 96 9 13.4 15 51
Wed Feb 28/Thu Mar 01 8178.8 10 09 42 18 27 19 45 5 32 6 50 5 54 15 43 17 10 6 50 99 10 12.9 12 15
***** 2018 MARCH *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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
Thu Mar 01/Fri Mar 02 8179.8 10 13 38 18 28 19 46 5 31 6 49 5 58 15 46 18 17 7 31 100 11 09.9 7 55
Fri Mar 02/Sat Mar 03 8180.8 10 17 35 18 29 19 46 5 30 6 48 6 03 15 49 19 22 ..... 98 12 04.5 3 12
Sat Mar 03/Sun Mar 04 8181.8 10 21 31 18 29 19 47 5 29 6 47 6 08 15 51 20 24 ..... 93 12 57.0 - 1 35
Sun Mar 04/Mon Mar 05 8182.8 10 25 28 18 30 19 48 5 28 6 45 6 13 15 54 21 25 ..... 87 13 48.0 - 6 09
Mon Mar 05/Tue Mar 06 8183.8 10 29 24 18 31 19 48 5 27 6 44 6 17 15 57 22 24 ..... 79 14 38.1 -10 17
Tue Mar 06/Wed Mar 07 8184.8 10 33 21 18 32 19 49 5 25 6 43 6 22 16 00 23 21 ..... 70 15 27.8 -13 51
Wed Mar 07/Thu Mar 08 8185.8 10 37 17 18 32 19 50 5 24 6 42 6 27 16 02 0 16 ..... 61 16 17.4 -16 43
Thu Mar 08/Fri Mar 09 8186.8 10 41 14 18 33 19 51 5 23 6 41 6 31 16 05 1 10 ..... 51 17 07.2 -18 48
Fri Mar 09/Sat Mar 10 8187.8 10 45 11 18 34 19 51 5 22 6 39 6 36 16 08 2 01 ..... 42 17 57.1 -20 03
Sat Mar 10/Sun Mar 11 8188.8 10 49 07 18 34 19 52 5 20 6 38 6 41 16 10 2 50 ..... 33 18 47.2 -20 26
Sun Mar 11/Mon Mar 12 8189.8 10 53 04 18 35 19 53 5 19 6 37 6 45 16 13 3 36 ..... 24 19 37.1 -19 56
Mon Mar 12/Tue Mar 13 8190.8 10 57 00 18 36 19 54 5 18 6 36 6 50 16 16 4 20 ..... 17 20 26.8 -18 34
Tue Mar 13/Wed Mar 14 8191.8 11 00 57 18 37 19 54 5 17 6 34 6 55 16 18 5 00 ..... 10 21 16.0 -16 24
Wed Mar 14/Thu Mar 15 8192.8 11 04 53 18 37 19 55 5 15 6 33 6 59 16 21 5 38 ..... 5 22 04.7 -13 30
Thu Mar 15/Fri Mar 16 8193.8 11 08 50 18 38 19 56 5 14 6 32 7 04 16 24 6 14 17 07 2 22 53.0 - 9 59
Fri Mar 16/Sat Mar 17 8194.8 11 12 46 18 39 19 57 5 13 6 31 7 09 16 26 6 49 18 04 0 23 41.1 - 5 58
Sat Mar 17/Sun Mar 18 8195.8 11 16 43 18 39 19 57 5 11 6 29 7 13 16 29 7 24 19 02 1 0 29.6 - 1 37
Sun Mar 18/Mon Mar 19 8196.8 11 20 40 18 40 19 58 5 10 6 28 7 18 16 32 ..... 20 01 3 1 18.7 2 53
Mon Mar 19/Tue Mar 20 8197.8 11 24 36 18 41 19 59 5 09 6 27 7 23 16 34 ..... 21 02 8 2 09.2 7 18
Tue Mar 20/Wed Mar 21 8198.8 11 28 33 18 41 20 00 5 07 6 25 7 28 16 37 ..... 22 04 15 3 01.5 11 24
Wed Mar 21/Thu Mar 22 8199.8 11 32 29 18 42 20 00 5 06 6 24 7 32 16 39 ..... 23 07 24 3 56.0 14 56
Thu Mar 22/Fri Mar 23 8200.8 11 36 26 18 43 20 01 5 05 6 23 7 37 16 42 ..... 0 11 34 4 52.8 17 40
Fri Mar 23/Sat Mar 24 8201.8 11 40 22 18 44 20 02 5 03 6 22 7 42 16 44 ..... 1 13 45 5 51.8 19 20
Sat Mar 24/Sun Mar 25 8202.8 11 44 19 18 44 20 03 5 02 6 20 7 46 16 47 ..... 2 12 57 6 52.1 19 47
Sun Mar 25/Mon Mar 26 8203.8 11 48 15 18 45 20 04 5 00 6 19 7 51 16 50 ..... 3 08 68 7 52.8 18 56
Mon Mar 26/Tue Mar 27 8204.8 11 52 12 18 46 20 04 4 59 6 18 7 56 16 52 ..... 3 58 78 8 52.7 16 50
Tue Mar 27/Wed Mar 28 8205.8 11 56 09 18 46 20 05 4 58 6 16 8 01 16 55 ..... 4 44 87 9 51.0 13 39
Wed Mar 28/Thu Mar 29 8206.8 12 00 05 18 47 20 06 4 56 6 15 8 05 16 57 ..... 5 25 94 10 47.4 9 38
Thu Mar 29/Fri Mar 30 8207.8 12 04 02 18 48 20 07 4 55 6 14 8 10 17 00 17 04 6 04 98 11 41.8 5 05
Fri Mar 30/Sat Mar 31 8208.8 12 07 58 18 48 20 08 4 53 6 13 8 15 17 02 18 07 6 41 100 12 34.6 0 17
Sat Mar 31/Sun Apr 01 8209.8 12 11 55 18 49 20 08 4 52 6 11 8 20 17 05 19 08 ..... 99 13 26.2 - 4 26
***** 2018 APRIL *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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
Sun Apr 01/Mon Apr 02 8210.8 12 15 51 18 50 20 09 4 51 6 10 8 24 17 07 20 08 ..... 96 14 17.1 - 8 52
Mon Apr 02/Tue Apr 03 8211.8 12 19 48 18 50 20 10 4 49 6 09 8 29 17 10 21 07 ..... 91 15 07.7 -12 47
Tue Apr 03/Wed Apr 04 8212.8 12 23 44 18 51 20 11 4 48 6 08 8 34 17 12 22 04 ..... 84 15 58.4 -16 01
Wed Apr 04/Thu Apr 05 8213.8 12 27 41 18 52 20 12 4 46 6 06 8 39 17 15 23 00 ..... 77 16 49.1 -18 28
Thu Apr 05/Fri Apr 06 8214.8 12 31 38 18 52 20 13 4 45 6 05 8 44 17 17 23 53 ..... 68 17 39.9 -20 03
Fri Apr 06/Sat Apr 07 8215.8 12 35 34 18 53 20 13 4 44 6 04 8 48 17 20 0 43 ..... 59 18 30.7 -20 44
Sat Apr 07/Sun Apr 08 8216.8 12 39 31 18 54 20 14 4 42 6 03 8 53 17 22 1 31 ..... 50 19 21.2 -20 31
Sun Apr 08/Mon Apr 09 8217.8 12 43 27 18 54 20 15 4 41 6 01 8 58 17 25 2 15 ..... 40 20 11.1 -19 25
Mon Apr 09/Tue Apr 10 8218.8 12 47 24 18 55 20 16 4 39 6 00 9 03 17 27 2 56 ..... 31 21 00.4 -17 29
Tue Apr 10/Wed Apr 11 8219.8 12 51 20 18 56 20 17 4 38 5 59 9 08 17 30 3 35 ..... 23 21 49.2 -14 47
Wed Apr 11/Thu Apr 12 8220.8 12 55 17 18 56 20 18 4 37 5 58 9 12 17 33 4 11 ..... 15 22 37.4 -11 26
Thu Apr 12/Fri Apr 13 8221.8 12 59 13 18 57 20 19 4 35 5 57 9 17 17 35 4 47 ..... 9 23 25.6 - 7 31
Fri Apr 13/Sat Apr 14 8222.8 13 03 10 18 58 20 19 4 34 5 55 9 22 17 38 5 22 ..... 4 0 14.0 - 3 12
Sat Apr 14/Sun Apr 15 8223.8 13 07 07 18 59 20 20 4 32 5 54 9 27 17 40 5 57 17 49 1 1 03.3 1 21
Sun Apr 15/Mon Apr 16 8224.8 13 11 03 18 59 20 21 4 31 5 53 9 32 17 43 6 35 18 50 0 1 54.0 5 55
Mon Apr 16/Tue Apr 17 8225.8 13 15 00 19 00 20 22 4 30 5 52 9 37 17 45 ..... 19 53 2 2 46.6 10 16
Tue Apr 17/Wed Apr 18 8226.8 13 18 56 19 01 20 23 4 28 5 51 9 41 17 48 ..... 20 57 6 3 41.5 14 06
Wed Apr 18/Thu Apr 19 8227.8 13 22 53 19 01 20 24 4 27 5 50 9 46 17 50 ..... 22 03 13 4 38.8 17 09
Thu Apr 19/Fri Apr 20 8228.8 13 26 49 19 02 20 25 4 25 5 48 9 51 17 53 ..... 23 07 21 5 38.1 19 08
Fri Apr 20/Sat Apr 21 8229.8 13 30 46 19 03 20 26 4 24 5 47 9 56 17 56 ..... 0 08 31 6 38.5 19 54
Sat Apr 21/Sun Apr 22 8230.8 13 34 42 19 03 20 27 4 23 5 46 10 01 17 58 ..... 1 05 42 7 39.0 19 21
Sun Apr 22/Mon Apr 23 8231.8 13 38 39 19 04 20 28 4 21 5 45 10 06 18 01 ..... 1 57 54 8 38.5 17 32
Mon Apr 23/Tue Apr 24 8232.8 13 42 36 19 05 20 29 4 20 5 44 10 11 18 03 ..... 2 43 65 9 36.1 14 39
Tue Apr 24/Wed Apr 25 8233.8 13 46 32 19 06 20 30 4 19 5 43 10 16 18 06 ..... 3 25 75 10 31.6 10 53
Wed Apr 25/Thu Apr 26 8234.8 13 50 29 19 06 20 31 4 18 5 42 10 21 18 09 ..... 4 03 84 11 25.1 6 32
Thu Apr 26/Fri Apr 27 8235.8 13 54 25 19 07 20 32 4 16 5 41 10 26 18 11 ..... 4 39 91 12 17.0 1 52
Fri Apr 27/Sat Apr 28 8236.8 13 58 22 19 08 20 33 4 15 5 40 10 30 18 14 ..... 5 15 96 13 07.8 - 2 52
Sat Apr 28/Sun Apr 29 8237.8 14 02 18 19 08 20 34 4 14 5 39 10 35 18 17 17 56 5 50 99 13 58.2 - 7 26
Sun Apr 29/Mon Apr 30 8238.8 14 06 15 19 09 20 35 4 12 5 38 10 40 18 19 18 55 6 27 100 14 48.5 -11 35
Mon Apr 30/Tue May 01 8239.8 14 10 11 19 10 20 36 4 11 5 37 10 45 18 22 19 52 ..... 98 15 39.2 -15 08
***** 2018 MAY *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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
Tue May 01/Wed May 02 8240.8 14 14 08 19 11 20 37 4 10 5 36 10 50 18 25 20 49 ..... 95 16 30.3 -17 57
Wed May 02/Thu May 03 8241.8 14 18 05 19 11 20 38 4 09 5 35 10 55 18 28 21 44 ..... 89 17 21.7 -19 55
Thu May 03/Fri May 04 8242.8 14 22 01 19 12 20 39 4 08 5 34 11 00 18 30 22 36 ..... 83 18 13.2 -20 57
Fri May 04/Sat May 05 8243.8 14 25 58 19 13 20 40 4 06 5 33 11 05 18 33 23 25 ..... 75 19 04.4 -21 03
Sat May 05/Sun May 06 8244.8 14 29 54 19 13 20 41 4 05 5 32 11 10 18 36 0 11 ..... 66 19 55.0 -20 15
Sun May 06/Mon May 07 8245.8 14 33 51 19 14 20 42 4 04 5 32 11 15 18 39 0 53 ..... 57 20 44.6 -18 34
Mon May 07/Tue May 08 8246.8 14 37 47 19 15 20 43 4 03 5 31 11 20 18 41 1 32 ..... 48 21 33.4 -16 07
Tue May 08/Wed May 09 8247.8 14 41 44 19 16 20 44 4 02 5 30 11 25 18 44 2 09 ..... 38 22 21.5 -12 59
Wed May 09/Thu May 10 8248.8 14 45 40 19 16 20 45 4 01 5 29 11 30 18 47 2 44 ..... 29 23 09.1 - 9 15
Thu May 10/Fri May 11 8249.8 14 49 37 19 17 20 46 4 00 5 28 11 35 18 50 3 18 ..... 20 23 56.9 - 5 04
Fri May 11/Sat May 12 8250.8 14 53 34 19 18 20 47 3 59 5 28 11 40 18 53 3 53 ..... 13 0 45.5 - 0 34
Sat May 12/Sun May 13 8251.8 14 57 30 19 18 20 48 3 58 5 27 11 45 18 56 4 29 ..... 6 1 35.4 4 04
Sun May 13/Mon May 14 8252.8 15 01 27 19 19 20 49 3 57 5 26 11 50 18 59 5 08 17 35 2 2 27.5 8 36
Mon May 14/Tue May 15 8253.8 15 05 23 19 20 20 50 3 56 5 26 11 54 19 02 5 50 18 40 0 3 22.2 12 45
Tue May 15/Wed May 16 8254.8 15 09 20 19 21 20 51 3 55 5 25 11 59 19 05 ..... 19 47 1 4 19.7 16 13
Wed May 16/Thu May 17 8255.8 15 13 16 19 21 20 52 3 54 5 24 12 04 19 08 ..... 20 54 4 5 19.7 18 40
Thu May 17/Fri May 18 8256.8 15 17 13 19 22 20 53 3 53 5 24 12 09 19 11 ..... 21 59 11 6 21.5 19 53
Fri May 18/Sat May 19 8257.8 15 21 09 19 23 20 54 3 52 5 23 12 14 19 14 ..... 22 59 19 7 23.5 19 43
Sat May 19/Sun May 20 8258.8 15 25 06 19 23 20 54 3 51 5 22 12 19 19 17 ..... 23 54 29 8 24.3 18 12
Sun May 20/Mon May 21 8259.8 15 29 03 19 24 20 55 3 50 5 22 12 24 19 20 ..... 0 43 40 9 23.0 15 32
Mon May 21/Tue May 22 8260.8 15 32 59 19 25 20 56 3 50 5 21 12 29 19 23 ..... 1 26 51 10 19.0 11 57
Tue May 22/Wed May 23 8261.8 15 36 56 19 25 20 57 3 49 5 21 12 34 19 26 ..... 2 05 62 11 12.5 7 44
Wed May 23/Thu May 24 8262.8 15 40 52 19 26 20 58 3 48 5 20 12 39 19 30 ..... 2 42 72 12 04.0 3 09
Thu May 24/Fri May 25 8263.8 15 44 49 19 27 20 59 3 47 5 20 12 43 19 33 ..... 3 16 81 12 54.1 - 1 33
Fri May 25/Sat May 26 8264.8 15 48 45 19 27 21 00 3 47 5 20 12 48 19 36 ..... 3 51 89 13 43.5 - 6 08
Sat May 26/Sun May 27 8265.8 15 52 42 19 28 21 01 3 46 5 19 12 53 19 39 ..... 4 26 95 14 33.0 -10 24
Sun May 27/Mon May 28 8266.8 15 56 38 19 29 21 02 3 45 5 19 12 58 19 43 17 44 5 03 98 15 22.8 -14 10
Mon May 28/Tue May 29 8267.8 16 00 35 19 29 21 03 3 45 5 18 13 03 19 46 18 40 5 42 100 16 13.4 -17 16
Tue May 29/Wed May 30 8268.8 16 04 32 19 30 21 03 3 44 5 18 13 07 19 49 19 36 6 25 99 17 04.6 -19 33
Wed May 30/Thu May 31 8269.8 16 08 28 19 30 21 04 3 44 5 18 13 12 19 53 20 29 ..... 97 17 56.3 -20 57
Thu May 31/Fri Jun 01 8270.8 16 12 25 19 31 21 05 3 43 5 17 13 17 19 56 21 20 ..... 93 18 48.0 -21 23
***** 2018 JUNE *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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
Fri Jun 01/Sat Jun 02 8271.8 16 16 21 19 31 21 06 3 43 5 17 13 22 20 00 22 07 ..... 88 19 39.2 -20 53
Sat Jun 02/Sun Jun 03 8272.8 16 20 18 19 32 21 07 3 42 5 17 13 26 20 03 22 50 ..... 81 20 29.4 -19 30
Sun Jun 03/Mon Jun 04 8273.8 16 24 14 19 33 21 07 3 42 5 17 13 31 20 07 23 31 ..... 73 21 18.6 -17 17
Mon Jun 04/Tue Jun 05 8274.8 16 28 11 19 33 21 08 3 42 5 17 13 36 20 11 0 08 ..... 64 22 06.7 -14 21
Tue Jun 05/Wed Jun 06 8275.8 16 32 07 19 34 21 09 3 41 5 17 13 40 20 14 0 43 ..... 54 22 54.1 -10 50
Wed Jun 06/Thu Jun 07 8276.8 16 36 04 19 34 21 09 3 41 5 16 13 45 20 18 1 17 ..... 44 23 41.1 - 6 49
Thu Jun 07/Fri Jun 08 8277.8 16 40 01 19 35 21 10 3 41 5 16 13 50 20 21 1 50 ..... 35 0 28.5 - 2 28
Fri Jun 08/Sat Jun 09 8278.8 16 43 57 19 35 21 11 3 41 5 16 13 54 20 25 2 25 ..... 25 1 17.0 2 06
Sat Jun 09/Sun Jun 10 8279.8 16 47 54 19 36 21 11 3 40 5 16 13 59 20 29 3 01 ..... 16 2 07.4 6 40
Sun Jun 10/Mon Jun 11 8280.8 16 51 50 19 36 21 12 3 40 5 16 14 03 20 33 3 41 ..... 9 3 00.4 11 01
Mon Jun 11/Tue Jun 12 8281.8 16 55 47 19 36 21 12 3 40 5 16 14 08 20 37 4 26 ..... 4 3 56.6 14 49
Tue Jun 12/Wed Jun 13 8282.8 16 59 43 19 37 21 13 3 40 5 16 14 12 20 40 5 17 18 33 1 4 56.1 17 47
Wed Jun 13/Thu Jun 14 8283.8 17 03 40 19 37 21 13 3 40 5 16 14 16 20 44 6 14 19 40 0 5 58.3 19 34
Thu Jun 14/Fri Jun 15 8284.8 17 07 36 19 37 21 14 3 40 5 16 14 21 20 48 ..... 20 45 3 7 01.7 19 57
Fri Jun 15/Sat Jun 16 8285.8 17 11 33 19 38 21 14 3 40 5 16 14 25 20 52 ..... 21 45 9 8 04.8 18 54
Sat Jun 16/Sun Jun 17 8286.8 17 15 30 19 38 21 14 3 40 5 17 14 30 20 56 ..... 22 38 17 9 05.9 16 32
Sun Jun 17/Mon Jun 18 8287.8 17 19 26 19 38 21 15 3 40 5 17 14 34 21 00 ..... 23 25 26 10 04.1 13 07
Mon Jun 18/Tue Jun 19 8288.8 17 23 23 19 39 21 15 3 40 5 17 14 38 21 04 ..... 0 06 37 10 59.3 8 58
Tue Jun 19/Wed Jun 20 8289.8 17 27 19 19 39 21 15 3 41 5 17 14 42 21 09 ..... 0 44 48 11 51.7 4 24
Wed Jun 20/Thu Jun 21 8290.8 17 31 16 19 39 21 16 3 41 5 17 14 46 21 13 ..... 1 19 59 12 42.2 - 0 18
Thu Jun 21/Fri Jun 22 8291.8 17 35 12 19 39 21 16 3 41 5 17 14 51 21 17 ..... 1 54 69 13 31.5 - 4 56
Fri Jun 22/Sat Jun 23 8292.8 17 39 09 19 40 21 16 3 41 5 18 14 55 21 21 ..... 2 28 78 14 20.4 - 9 17
Sat Jun 23/Sun Jun 24 8293.8 17 43 05 19 40 21 16 3 42 5 18 14 59 21 25 ..... 3 04 86 15 09.5 -13 10
Sun Jun 24/Mon Jun 25 8294.8 17 47 02 19 40 21 16 3 42 5 18 15 03 21 30 ..... 3 42 92 15 59.2 -16 28
Mon Jun 25/Tue Jun 26 8295.8 17 50 59 19 40 21 16 3 42 5 19 15 07 21 34 ..... 4 23 97 16 49.7 -19 00
Tue Jun 26/Wed Jun 27 8296.8 17 54 55 19 40 21 16 3 43 5 19 15 11 21 38 18 24 5 06 99 17 41.0 -20 41
Wed Jun 27/Thu Jun 28 8297.8 17 58 52 19 40 21 16 3 43 5 19 15 15 21 43 19 15 5 53 100 18 32.6 -21 27
Thu Jun 28/Fri Jun 29 8298.8 18 02 48 19 40 21 16 3 44 5 20 15 19 21 47 20 04 ..... 99 19 24.1 -21 15
Fri Jun 29/Sat Jun 30 8299.8 18 06 45 19 40 21 16 3 44 5 20 15 23 21 51 20 49 ..... 96 20 14.9 -20 08
Sat Jun 30/Sun Jul 01 8300.8 18 10 41 19 40 21 16 3 45 5 20 15 26 21 56 21 30 ..... 92 21 04.7 -18 10
***** 2018 JULY *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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
Sun Jul 01/Mon Jul 02 8301.8 18 14 38 19 40 21 16 3 45 5 21 15 30 22 00 22 08 ..... 85 21 53.3 -15 26
Mon Jul 02/Tue Jul 03 8302.8 18 18 34 19 40 21 16 3 46 5 21 15 34 22 05 22 44 ..... 78 22 40.8 -12 05
Tue Jul 03/Wed Jul 04 8303.8 18 22 31 19 40 21 16 3 46 5 22 15 38 22 09 23 17 ..... 69 23 27.5 - 8 13
Wed Jul 04/Thu Jul 05 8304.8 18 26 28 19 40 21 15 3 47 5 22 15 41 22 14 23 50 ..... 60 0 14.2 - 4 00
Thu Jul 05/Fri Jul 06 8305.8 18 30 24 19 40 21 15 3 48 5 23 15 45 22 19 0 23 ..... 50 1 01.4 0 27
Fri Jul 06/Sat Jul 07 8306.8 18 34 21 19 40 21 15 3 48 5 23 15 49 22 23 0 57 ..... 40 1 50.0 4 57
Sat Jul 07/Sun Jul 08 8307.8 18 38 17 19 40 21 14 3 49 5 24 15 52 22 28 1 34 ..... 29 2 40.8 9 19
Sun Jul 08/Mon Jul 09 8308.8 18 42 14 19 39 21 14 3 50 5 24 15 56 22 32 2 15 ..... 20 3 34.5 13 18
Mon Jul 09/Tue Jul 10 8309.8 18 46 10 19 39 21 14 3 50 5 25 15 59 22 37 3 02 ..... 11 4 31.7 16 37
Tue Jul 10/Wed Jul 11 8310.8 18 50 07 19 39 21 13 3 51 5 25 16 03 22 42 3 56 ..... 5 5 32.2 18 55
Wed Jul 11/Thu Jul 12 8311.8 18 54 03 19 39 21 13 3 52 5 26 16 06 22 46 4 56 18 24 1 6 35.3 19 56
Thu Jul 12/Fri Jul 13 8312.8 18 58 00 19 38 21 12 3 53 5 26 16 10 22 51 6 02 19 27 0 7 39.3 19 30
Fri Jul 13/Sat Jul 14 8313.8 19 01 57 19 38 21 11 3 53 5 27 16 13 22 56 ..... 20 25 2 8 42.5 17 37
Sat Jul 14/Sun Jul 15 8314.8 19 05 53 19 38 21 11 3 54 5 28 16 16 23 01 ..... 21 16 7 9 43.3 14 31
Sun Jul 15/Mon Jul 16 8315.8 19 09 50 19 37 21 10 3 55 5 28 16 20 23 05 ..... 22 01 14 10 41.1 10 30
Mon Jul 16/Tue Jul 17 8316.8 19 13 46 19 37 21 10 3 56 5 29 16 23 23 10 ..... 22 42 23 11 35.8 5 56
Tue Jul 17/Wed Jul 18 8317.8 19 17 43 19 36 21 09 3 57 5 29 16 26 23 15 ..... 23 19 33 12 28.0 1 08
Wed Jul 18/Thu Jul 19 8318.8 19 21 39 19 36 21 08 3 58 5 30 16 29 23 20 ..... 23 55 44 13 18.4 - 3 37
Thu Jul 19/Fri Jul 20 8319.8 19 25 36 19 35 21 07 3 58 5 31 16 33 23 25 ..... 0 30 54 14 07.7 - 8 06
Fri Jul 20/Sat Jul 21 8320.8 19 29 32 19 35 21 07 3 59 5 31 16 36 23 30 ..... 1 05 64 14 56.9 -12 08
Sat Jul 21/Sun Jul 22 8321.8 19 33 29 19 34 21 06 4 00 5 32 16 39 23 34 ..... 1 43 74 15 46.2 -15 36
Sun Jul 22/Mon Jul 23 8322.8 19 37 26 19 34 21 05 4 01 5 32 16 42 23 39 ..... 2 22 82 16 36.2 -18 21
Mon Jul 23/Tue Jul 24 8323.8 19 41 22 19 33 21 04 4 02 5 33 16 45 23 44 ..... 3 05 89 17 27.0 -20 16
Tue Jul 24/Wed Jul 25 8324.8 19 45 19 19 33 21 03 4 03 5 34 16 48 23 49 ..... 3 51 94 18 18.2 -21 18
Wed Jul 25/Thu Jul 26 8325.8 19 49 15 19 32 21 02 4 04 5 34 16 51 23 54 18 01 4 39 98 19 09.6 -21 23
Thu Jul 26/Fri Jul 27 8326.8 19 53 12 19 31 21 01 4 05 5 35 16 54 23 59 18 47 5 30 100 20 00.7 -20 32
Fri Jul 27/Sat Jul 28 8327.8 19 57 08 19 31 21 00 4 06 5 36 16 57 0 04 19 29 6 23 100 20 50.9 -18 48
Sat Jul 28/Sun Jul 29 8328.8 20 01 05 19 30 20 59 4 07 5 36 17 00 0 09 20 09 ..... 98 21 40.1 -16 15
Sun Jul 29/Mon Jul 30 8329.8 20 05 01 19 29 20 58 4 08 5 37 17 03 0 13 20 45 ..... 95 22 28.2 -13 03
Mon Jul 30/Tue Jul 31 8330.8 20 08 58 19 28 20 57 4 09 5 38 17 06 0 18 21 19 ..... 89 23 15.3 - 9 18
Tue Jul 31/Wed Aug 01 8331.8 20 12 55 19 28 20 56 4 10 5 38 17 09 0 23 21 52 ..... 82 0 02.0 - 5 09
***** 2018 AUGUST *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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
Wed Aug 01/Thu Aug 02 8332.8 20 16 51 19 27 20 55 4 11 5 39 17 12 0 28 22 25 ..... 74 0 48.7 - 0 46
Thu Aug 02/Fri Aug 03 8333.8 20 20 48 19 26 20 54 4 11 5 40 17 14 0 33 22 58 ..... 65 1 36.3 3 42
Fri Aug 03/Sat Aug 04 8334.8 20 24 44 19 25 20 53 4 12 5 40 17 17 0 38 23 32 ..... 54 2 25.4 8 03
Sat Aug 04/Sun Aug 05 8335.8 20 28 41 19 24 20 52 4 13 5 41 17 20 0 43 0 10 ..... 44 3 16.9 12 06
Sun Aug 05/Mon Aug 06 8336.8 20 32 37 19 23 20 51 4 14 5 42 17 23 0 48 0 53 ..... 33 4 11.5 15 35
Mon Aug 06/Tue Aug 07 8337.8 20 36 34 19 23 20 50 4 15 5 42 17 26 0 53 1 41 ..... 23 5 09.3 18 13
Tue Aug 07/Wed Aug 08 8338.8 20 40 30 19 22 20 48 4 16 5 43 17 28 0 57 2 37 ..... 14 6 10.0 19 44
Wed Aug 08/Thu Aug 09 8339.8 20 44 27 19 21 20 47 4 17 5 44 17 31 1 02 3 39 ..... 7 7 12.8 19 53
Thu Aug 09/Fri Aug 10 8340.8 20 48 24 19 20 20 46 4 18 5 44 17 34 1 07 4 47 18 07 2 8 16.0 18 37
Fri Aug 10/Sat Aug 11 8341.8 20 52 20 19 19 20 45 4 19 5 45 17 37 1 12 5 57 19 02 0 9 18.0 16 00
Sat Aug 11/Sun Aug 12 8342.8 20 56 17 19 18 20 43 4 20 5 46 17 39 1 17 ..... 19 51 1 10 17.7 12 16
Sun Aug 12/Mon Aug 13 8343.8 21 00 13 19 17 20 42 4 21 5 46 17 42 1 22 ..... 20 34 5 11 14.7 7 48
Mon Aug 13/Tue Aug 14 8344.8 21 04 10 19 16 20 41 4 22 5 47 17 44 1 27 ..... 21 14 11 12 09.0 2 57
Tue Aug 14/Wed Aug 15 8345.8 21 08 06 19 15 20 40 4 23 5 48 17 47 1 32 ..... 21 52 20 13 01.2 - 1 58
Wed Aug 15/Thu Aug 16 8346.8 21 12 03 19 14 20 38 4 24 5 48 17 50 1 36 ..... 22 28 29 13 52.0 - 6 40
Thu Aug 16/Fri Aug 17 8347.8 21 15 59 19 13 20 37 4 25 5 49 17 52 1 41 ..... 23 04 39 14 42.0 -10 57
Fri Aug 17/Sat Aug 18 8348.8 21 19 56 19 12 20 36 4 26 5 50 17 55 1 46 ..... 23 42 49 15 31.9 -14 39
Sat Aug 18/Sun Aug 19 8349.8 21 23 53 19 10 20 34 4 26 5 50 17 58 1 51 ..... 0 21 59 16 22.1 -17 37
Sun Aug 19/Mon Aug 20 8350.8 21 27 49 19 09 20 33 4 27 5 51 18 00 1 56 ..... 1 03 68 17 12.7 -19 47
Mon Aug 20/Tue Aug 21 8351.8 21 31 46 19 08 20 32 4 28 5 52 18 03 2 01 ..... 1 47 77 18 03.8 -21 04
Tue Aug 21/Wed Aug 22 8352.8 21 35 42 19 07 20 30 4 29 5 52 18 05 2 06 ..... 2 35 84 18 55.0 -21 25
Wed Aug 22/Thu Aug 23 8353.8 21 39 39 19 06 20 29 4 30 5 53 18 08 2 10 ..... 3 25 91 19 46.0 -20 49
Thu Aug 23/Fri Aug 24 8354.8 21 43 35 19 05 20 27 4 31 5 53 18 10 2 15 17 28 4 18 95 20 36.5 -19 19
Fri Aug 24/Sat Aug 25 8355.8 21 47 32 19 04 20 26 4 32 5 54 18 13 2 20 18 08 5 11 99 21 26.1 -16 59
Sat Aug 25/Sun Aug 26 8356.8 21 51 28 19 02 20 25 4 33 5 55 18 15 2 25 18 46 6 06 100 22 14.7 -13 55
Sun Aug 26/Mon Aug 27 8357.8 21 55 25 19 01 20 23 4 33 5 55 18 18 2 30 19 21 ..... 99 23 02.5 -10 16
Mon Aug 27/Tue Aug 28 8358.8 21 59 22 19 00 20 22 4 34 5 56 18 20 2 34 19 54 ..... 97 23 49.6 - 6 09
Tue Aug 28/Wed Aug 29 8359.8 22 03 18 18 59 20 20 4 35 5 57 18 23 2 39 20 27 ..... 92 0 36.7 - 1 46
Wed Aug 29/Thu Aug 30 8360.8 22 07 15 18 58 20 19 4 36 5 57 18 25 2 44 21 00 ..... 86 1 24.3 2 45
Thu Aug 30/Fri Aug 31 8361.8 22 11 11 18 56 20 17 4 37 5 58 18 28 2 49 21 34 ..... 78 2 13.0 7 10
Fri Aug 31/Sat Sep 01 8362.8 22 15 08 18 55 20 16 4 38 5 58 18 30 2 53 22 10 ..... 69 3 03.6 11 18
***** 2018 SEPTEMBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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
Sat Sep 01/Sun Sep 02 8363.8 22 19 04 18 54 20 15 4 38 5 59 18 33 2 58 22 50 ..... 58 3 56.5 14 55
Sun Sep 02/Mon Sep 03 8364.8 22 23 01 18 53 20 13 4 39 6 00 18 35 3 03 23 34 ..... 47 4 52.2 17 45
Mon Sep 03/Tue Sep 04 8365.8 22 26 57 18 51 20 12 4 40 6 00 18 38 3 08 0 25 ..... 36 5 50.7 19 35
Tue Sep 04/Wed Sep 05 8366.8 22 30 54 18 50 20 10 4 41 6 01 18 40 3 12 1 23 ..... 26 6 51.2 20 11
Wed Sep 05/Thu Sep 06 8367.8 22 34 51 18 49 20 09 4 41 6 02 18 43 3 17 2 26 ..... 16 7 52.8 19 25
Thu Sep 06/Fri Sep 07 8368.8 22 38 47 18 47 20 07 4 42 6 02 18 45 3 22 3 34 ..... 8 8 54.0 17 19
Fri Sep 07/Sat Sep 08 8369.8 22 42 44 18 46 20 06 4 43 6 03 18 48 3 27 4 43 17 39 3 9 53.8 14 01
Sat Sep 08/Sun Sep 09 8370.8 22 46 40 18 45 20 04 4 44 6 03 18 50 3 31 5 52 18 24 0 10 51.4 9 48
Sun Sep 09/Mon Sep 10 8371.8 22 50 37 18 43 20 03 4 45 6 04 18 53 3 36 6 59 19 06 1 11 46.9 5 02
Mon Sep 10/Tue Sep 11 8372.8 22 54 33 18 42 20 01 4 45 6 05 18 55 3 41 ..... 19 45 3 12 40.4 0 01
Tue Sep 11/Wed Sep 12 8373.8 22 58 30 18 41 20 00 4 46 6 05 18 58 3 45 ..... 20 22 9 13 32.5 - 4 54
Wed Sep 12/Thu Sep 13 8374.8 23 02 26 18 40 19 59 4 47 6 06 19 00 3 50 ..... 20 59 16 14 23.8 - 9 28
Thu Sep 13/Fri Sep 14 8375.8 23 06 23 18 38 19 57 4 47 6 06 19 03 3 55 ..... 21 37 24 15 14.6 -13 29
Fri Sep 14/Sat Sep 15 8376.8 23 10 20 18 37 19 56 4 48 6 07 19 05 3 59 ..... 22 16 33 16 05.5 -16 47
Sat Sep 15/Sun Sep 16 8377.8 23 14 16 18 36 19 54 4 49 6 08 19 08 4 04 ..... 22 58 43 16 56.6 -19 15
Sun Sep 16/Mon Sep 17 8378.8 23 18 13 18 34 19 53 4 50 6 08 19 10 4 09 ..... 23 42 52 17 47.9 -20 49
Mon Sep 17/Tue Sep 18 8379.8 23 22 09 18 33 19 51 4 50 6 09 19 13 4 13 ..... 0 29 62 18 39.3 -21 27
Tue Sep 18/Wed Sep 19 8380.8 23 26 06 18 32 19 50 4 51 6 10 19 15 4 18 ..... 1 19 71 19 30.3 -21 07
Wed Sep 19/Thu Sep 20 8381.8 23 30 02 18 30 19 49 4 52 6 10 19 18 4 23 ..... 2 11 79 20 20.8 -19 53
Thu Sep 20/Fri Sep 21 8382.8 23 33 59 18 29 19 47 4 52 6 11 19 20 4 27 ..... 3 04 86 21 10.5 -17 47
Fri Sep 21/Sat Sep 22 8383.8 23 37 55 18 28 19 46 4 53 6 11 19 23 4 32 16 45 3 58 92 21 59.4 -14 54
Sat Sep 22/Sun Sep 23 8384.8 23 41 52 18 26 19 44 4 54 6 12 19 26 4 37 17 21 4 53 97 22 47.5 -11 22
Sun Sep 23/Mon Sep 24 8385.8 23 45 49 18 25 19 43 4 55 6 13 19 28 4 41 17 55 5 49 99 23 35.1 - 7 19
Mon Sep 24/Tue Sep 25 8386.8 23 49 45 18 24 19 42 4 55 6 13 19 31 4 46 18 28 6 45 100 0 22.7 - 2 54
Tue Sep 25/Wed Sep 26 8387.8 23 53 42 18 22 19 40 4 56 6 14 19 33 4 50 19 01 ..... 98 1 10.8 1 42
Wed Sep 26/Thu Sep 27 8388.8 23 57 38 18 21 19 39 4 57 6 14 19 36 4 55 19 35 ..... 95 1 59.9 6 16
Thu Sep 27/Fri Sep 28 8389.8 0 01 35 18 20 19 38 4 57 6 15 19 38 5 00 20 10 ..... 89 2 50.7 10 35
Fri Sep 28/Sat Sep 29 8390.8 0 05 31 18 18 19 36 4 58 6 16 19 41 5 04 20 49 ..... 81 3 43.6 14 25
Sat Sep 29/Sun Sep 30 8391.8 0 09 28 18 17 19 35 4 59 6 16 19 44 5 09 21 32 ..... 72 4 38.9 17 30
Sun Sep 30/Mon Oct 01 8392.8 0 13 24 18 16 19 34 4 59 6 17 19 46 5 14 22 21 ..... 62 5 36.5 19 35
***** 2018 OCTOBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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 Oct 01/Tue Oct 02 8393.8 0 17 21 18 15 19 32 5 00 6 18 19 49 5 18 23 15 ..... 51 6 35.9 20 29
Tue Oct 02/Wed Oct 03 8394.8 0 21 18 18 13 19 31 5 01 6 18 19 51 5 23 0 15 ..... 39 7 36.1 20 05
Wed Oct 03/Thu Oct 04 8395.8 0 25 14 18 12 19 30 5 01 6 19 19 54 5 27 1 19 ..... 28 8 36.0 18 22
Thu Oct 04/Fri Oct 05 8396.8 0 29 11 18 11 19 28 5 02 6 20 19 57 5 32 2 25 ..... 19 9 34.7 15 28
Fri Oct 05/Sat Oct 06 8397.8 0 33 07 18 09 19 27 5 03 6 20 19 59 5 37 3 32 ..... 10 10 31.6 11 35
Sat Oct 06/Sun Oct 07 8398.8 0 37 04 18 08 19 26 5 03 6 21 20 02 5 41 4 39 16 59 5 11 26.7 7 01
Sun Oct 07/Mon Oct 08 8399.8 0 41 00 18 07 19 25 5 04 6 22 20 05 5 46 5 44 17 38 1 12 20.1 2 05
Mon Oct 08/Tue Oct 09 8400.8 0 44 57 18 06 19 23 5 05 6 22 20 08 5 50 6 48 18 16 0 13 12.3 - 2 56
Tue Oct 09/Wed Oct 10 8401.8 0 48 53 18 04 19 22 5 05 6 23 20 10 5 55 ..... 18 53 2 14 03.9 - 7 43
Wed Oct 10/Thu Oct 11 8402.8 0 52 50 18 03 19 21 5 06 6 24 20 13 6 00 ..... 19 30 6 14 55.2 -12 03
Thu Oct 11/Fri Oct 12 8403.8 0 56 47 18 02 19 20 5 07 6 24 20 16 6 04 ..... 20 09 11 15 46.7 -15 43
Fri Oct 12/Sat Oct 13 8404.8 1 00 43 18 01 19 19 5 07 6 25 20 19 6 09 ..... 20 51 18 16 38.4 -18 33
Sat Oct 13/Sun Oct 14 8405.8 1 04 40 18 00 19 17 5 08 6 26 20 21 6 13 ..... 21 35 27 17 30.3 -20 29
Sun Oct 14/Mon Oct 15 8406.8 1 08 36 17 59 19 16 5 09 6 27 20 24 6 18 ..... 22 21 36 18 22.1 -21 27
Mon Oct 15/Tue Oct 16 8407.8 1 12 33 17 57 19 15 5 09 6 27 20 27 6 23 ..... 23 10 45 19 13.5 -21 27
Tue Oct 16/Wed Oct 17 8408.8 1 16 29 17 56 19 14 5 10 6 28 20 30 6 27 ..... 0 02 54 20 04.1 -20 30
Wed Oct 17/Thu Oct 18 8409.8 1 20 26 17 55 19 13 5 11 6 29 20 33 6 32 ..... 0 55 64 20 53.9 -18 40
Thu Oct 18/Fri Oct 19 8410.8 1 24 22 17 54 19 12 5 11 6 29 20 36 6 37 ..... 1 48 72 21 42.6 -16 02
Fri Oct 19/Sat Oct 20 8411.8 1 28 19 17 53 19 11 5 12 6 30 20 38 6 41 ..... 2 43 81 22 30.6 -12 43
Sat Oct 20/Sun Oct 21 8412.8 1 32 16 17 52 19 10 5 13 6 31 20 41 6 46 ..... 3 38 88 23 18.1 - 8 48
Sun Oct 21/Mon Oct 22 8413.8 1 36 12 17 51 19 09 5 13 6 32 20 44 6 50 16 27 4 34 93 0 05.7 - 4 27
Mon Oct 22/Tue Oct 23 8414.8 1 40 09 17 50 19 08 5 14 6 32 20 47 6 55 17 00 5 32 98 0 53.8 0 11
Tue Oct 23/Wed Oct 24 8415.8 1 44 05 17 49 19 07 5 15 6 33 20 50 7 00 17 34 6 31 100 1 43.1 4 55
Wed Oct 24/Thu Oct 25 8416.8 1 48 02 17 48 19 06 5 15 6 34 20 53 7 04 18 09 7 32 99 2 34.2 9 29
Thu Oct 25/Fri Oct 26 8417.8 1 51 58 17 47 19 05 5 16 6 35 20 56 7 09 18 47 ..... 97 3 27.6 13 38
Fri Oct 26/Sat Oct 27 8418.8 1 55 55 17 46 19 04 5 17 6 36 20 59 7 14 19 30 ..... 92 4 23.7 17 05
Sat Oct 27/Sun Oct 28 8419.8 1 59 51 17 45 19 03 5 18 6 36 21 02 7 18 20 17 ..... 85 5 22.1 19 32
Sun Oct 28/Mon Oct 29 8420.8 2 03 48 17 44 19 02 5 18 6 37 21 05 7 23 21 10 ..... 75 6 22.2 20 47
Mon Oct 29/Tue Oct 30 8421.8 2 07 45 17 43 19 02 5 19 6 38 21 09 7 28 22 08 ..... 65 7 22.9 20 41
Tue Oct 30/Wed Oct 31 8422.8 2 11 41 17 42 19 01 5 20 6 39 21 12 7 32 23 11 ..... 54 8 22.9 19 15
Wed Oct 31/Thu Nov 01 8423.8 2 15 38 17 41 19 00 5 20 6 40 21 15 7 37 0 16 ..... 42 9 21.4 16 37
***** 2018 NOVEMBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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
Thu Nov 01/Fri Nov 02 8424.8 2 19 34 17 40 18 59 5 21 6 40 21 18 7 42 1 21 ..... 31 10 17.8 12 59
Fri Nov 02/Sat Nov 03 8425.8 2 23 31 17 39 18 58 5 22 6 41 21 21 7 46 2 26 ..... 22 11 12.0 8 38
Sat Nov 03/Sun Nov 04 8426.8 2 27 27 17 38 18 58 5 23 6 42 21 24 7 51 3 30 ..... 13 12 04.5 3 50
Sun Nov 04/Mon Nov 05 8427.8 2 31 24 17 38 18 57 5 23 6 43 21 28 7 56 4 33 16 13 7 12 55.8 - 1 08
Mon Nov 05/Tue Nov 06 8428.8 2 35 20 17 37 18 56 5 24 6 44 21 31 8 00 5 36 16 49 2 13 46.5 - 6 00
Tue Nov 06/Wed Nov 07 8429.8 2 39 17 17 36 18 56 5 25 6 45 21 34 8 05 6 37 17 25 0 14 37.3 -10 31
Wed Nov 07/Thu Nov 08 8430.8 2 43 14 17 35 18 55 5 26 6 45 21 38 8 10 7 37 18 03 1 15 28.4 -14 28
Thu Nov 08/Fri Nov 09 8431.8 2 47 10 17 35 18 55 5 26 6 46 21 41 8 14 ..... 18 43 3 16 20.0 -17 40
Fri Nov 09/Sat Nov 10 8432.8 2 51 07 17 34 18 54 5 27 6 47 21 44 8 19 ..... 19 26 7 17 12.1 -19 59
Sat Nov 10/Sun Nov 11 8433.8 2 55 03 17 33 18 53 5 28 6 48 21 48 8 24 ..... 20 12 13 18 04.3 -21 20
Sun Nov 11/Mon Nov 12 8434.8 2 59 00 17 33 18 53 5 29 6 49 21 51 8 28 ..... 21 01 20 18 56.2 -21 41
Mon Nov 12/Tue Nov 13 8435.8 3 02 56 17 32 18 52 5 29 6 50 21 55 8 33 ..... 21 52 28 19 47.3 -21 03
Tue Nov 13/Wed Nov 14 8436.8 3 06 53 17 31 18 52 5 30 6 51 21 58 8 38 ..... 22 44 37 20 37.2 -19 31
Wed Nov 14/Thu Nov 15 8437.8 3 10 49 17 31 18 52 5 31 6 52 22 02 8 42 ..... 23 38 46 21 26.0 -17 10
Thu Nov 15/Fri Nov 16 8438.8 3 14 46 17 30 18 51 5 32 6 52 22 05 8 47 ..... 0 32 56 22 13.6 -14 06
Fri Nov 16/Sat Nov 17 8439.8 3 18 43 17 30 18 51 5 32 6 53 22 09 8 52 ..... 1 26 65 23 00.5 -10 25
Sat Nov 17/Sun Nov 18 8440.8 3 22 39 17 29 18 50 5 33 6 54 22 12 8 57 ..... 2 21 74 23 47.2 - 6 15
Sun Nov 18/Mon Nov 19 8441.8 3 26 36 17 29 18 50 5 34 6 55 22 16 9 01 ..... 3 17 82 0 34.4 - 1 44
Mon Nov 19/Tue Nov 20 8442.8 3 30 32 17 28 18 50 5 35 6 56 22 19 9 06 ..... 4 15 89 1 22.7 3 00
Tue Nov 20/Wed Nov 21 8443.8 3 34 29 17 28 18 49 5 35 6 57 22 23 9 11 16 05 5 16 95 2 13.0 7 43
Wed Nov 21/Thu Nov 22 8444.8 3 38 25 17 28 18 49 5 36 6 58 22 27 9 15 16 42 6 19 99 3 06.0 12 10
Thu Nov 22/Fri Nov 23 8445.8 3 42 22 17 27 18 49 5 37 6 59 22 31 9 20 17 23 7 24 100 4 02.1 16 04
Fri Nov 23/Sat Nov 24 8446.8 3 46 18 17 27 18 49 5 38 6 59 22 34 9 25 18 09 ..... 98 5 01.3 19 02
Sat Nov 24/Sun Nov 25 8447.8 3 50 15 17 27 18 49 5 38 7 00 22 38 9 29 19 01 ..... 94 6 03.0 20 48
Sun Nov 25/Mon Nov 26 8448.8 3 54 12 17 27 18 49 5 39 7 01 22 42 9 34 19 59 ..... 88 7 05.8 21 10
Mon Nov 26/Tue Nov 27 8449.8 3 58 08 17 26 18 48 5 40 7 02 22 46 9 39 21 03 ..... 79 8 08.1 20 05
Tue Nov 27/Wed Nov 28 8450.8 4 02 05 17 26 18 48 5 41 7 03 22 50 9 44 22 08 ..... 68 9 08.5 17 40
Wed Nov 28/Thu Nov 29 8451.8 4 06 01 17 26 18 48 5 41 7 04 22 53 9 48 23 14 ..... 57 10 06.1 14 12
Thu Nov 29/Fri Nov 30 8452.8 4 09 58 17 26 18 48 5 42 7 05 22 57 9 53 0 19 ..... 46 11 01.0 9 56
Fri Nov 30/Sat Dec 01 8453.8 4 13 54 17 26 18 48 5 43 7 05 23 01 9 58 1 23 ..... 35 11 53.5 5 13
***** 2018 DECEMBER *****
Calendar for Kitt Peak, west longitude (h.m.s) = 7 26 28, latitude (d.m) = 31 57.2
Note that each line lists events of one night, spanning two calendar dates. Rise/set times are given
in Mountain time ( 7 hr W), for 500 m above surroundings, in standard time all year.
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
Sat Dec 01/Sun Dec 02 8454.8 4 17 51 17 26 18 48 5 43 7 06 23 05 10 02 2 25 ..... 25 12 44.3 0 18
Sun Dec 02/Mon Dec 03 8455.8 4 21 47 17 26 18 48 5 44 7 07 23 09 10 07 3 26 ..... 16 13 34.1 - 4 34
Mon Dec 03/Tue Dec 04 8456.8 4 25 44 17 26 18 48 5 45 7 08 23 13 10 12 4 26 ..... 9 14 23.8 - 9 09
Tue Dec 04/Wed Dec 05 8457.8 4 29 41 17 26 18 48 5 46 7 09 23 17 10 16 5 26 16 01 4 15 13.8 -13 16
Wed Dec 05/Thu Dec 06 8458.8 4 33 37 17 26 18 49 5 46 7 09 23 21 10 21 6 25 16 39 1 16 04.6 -16 42
Thu Dec 06/Fri Dec 07 8459.8 4 37 34 17 26 18 49 5 47 7 10 23 25 10 25 7 22 17 20 0 16 56.1 -19 20
Fri Dec 07/Sat Dec 08 8460.8 4 41 30 17 26 18 49 5 48 7 11 23 30 10 30 8 17 18 05 1 17 48.0 -21 01
Sat Dec 08/Sun Dec 09 8461.8 4 45 27 17 26 18 49 5 48 7 12 23 34 10 35 ..... 18 52 4 18 40.0 -21 43
Sun Dec 09/Mon Dec 10 8462.8 4 49 23 17 26 18 49 5 49 7 12 23 38 10 39 ..... 19 43 8 19 31.4 -21 26
Mon Dec 10/Tue Dec 11 8463.8 4 53 20 17 26 18 50 5 50 7 13 23 42 10 44 ..... 20 35 14 20 21.8 -20 12
Tue Dec 11/Wed Dec 12 8464.8 4 57 16 17 27 18 50 5 50 7 14 23 46 10 49 ..... 21 28 21 21 10.8 -18 07
Wed Dec 12/Thu Dec 13 8465.8 5 01 13 17 27 18 50 5 51 7 14 23 51 10 53 ..... 22 22 29 21 58.4 -15 18
Thu Dec 13/Fri Dec 14 8466.8 5 05 10 17 27 18 51 5 52 7 15 23 55 10 58 ..... 23 15 38 22 44.8 -11 51
Fri Dec 14/Sat Dec 15 8467.8 5 09 06 17 27 18 51 5 52 7 16 23 59 11 02 ..... 0 09 47 23 30.6 - 7 55
Sat Dec 15/Sun Dec 16 8468.8 5 13 03 17 28 18 51 5 53 7 16 0 03 11 07 ..... 1 04 57 0 16.4 - 3 36
Sun Dec 16/Mon Dec 17 8469.8 5 16 59 17 28 18 52 5 53 7 17 0 08 11 11 ..... 2 00 67 1 02.9 0 58
Mon Dec 17/Tue Dec 18 8470.8 5 20 56 17 28 18 52 5 54 7 17 0 12 11 16 ..... 2 58 76 1 51.1 5 38
Tue Dec 18/Wed Dec 19 8471.8 5 24 52 17 29 18 52 5 54 7 18 0 17 11 20 ..... 3 59 85 2 41.8 10 11
Wed Dec 19/Thu Dec 20 8472.8 5 28 49 17 29 18 53 5 55 7 19 0 21 11 25 ..... 5 02 92 3 35.9 14 22
Thu Dec 20/Fri Dec 21 8473.8 5 32 45 17 30 18 53 5 55 7 19 0 25 11 29 15 57 6 08 97 4 33.8 17 51
Fri Dec 21/Sat Dec 22 8474.8 5 36 42 17 30 18 54 5 56 7 20 0 30 11 34 16 46 7 14 100 5 35.3 20 17
Sat Dec 22/Sun Dec 23 8475.8 5 40 39 17 31 18 54 5 56 7 20 0 34 11 38 17 43 8 18 100 6 39.4 21 20
Sun Dec 23/Mon Dec 24 8476.8 5 44 35 17 31 18 55 5 57 7 21 0 39 11 42 18 46 ..... 96 7 44.4 20 50
Mon Dec 24/Tue Dec 25 8477.8 5 48 32 17 32 18 55 5 57 7 21 0 43 11 47 19 53 ..... 90 8 48.2 18 49
Tue Dec 25/Wed Dec 26 8478.8 5 52 28 17 32 18 56 5 58 7 21 0 48 11 51 21 02 ..... 82 9 49.3 15 33
Wed Dec 26/Thu Dec 27 8479.8 5 56 25 17 33 18 57 5 58 7 22 0 52 11 56 22 10 ..... 72 10 47.0 11 20
Thu Dec 27/Fri Dec 28 8480.8 6 00 21 17 34 18 57 5 59 7 22 0 57 12 00 23 15 ..... 61 11 41.6 6 34
Fri Dec 28/Sat Dec 29 8481.8 6 04 18 17 34 18 58 5 59 7 22 1 01 12 04 0 19 ..... 50 12 33.6 1 35
Sat Dec 29/Sun Dec 30 8482.8 6 08 14 17 35 18 58 5 59 7 23 1 06 12 08 1 20 ..... 40 13 24.0 - 3 23
Sun Dec 30/Mon Dec 31 8483.8 6 12 11 17 36 18 59 6 00 7 23 1 10 12 13 2 20 ..... 29 14 13.6 - 8 03
Mon Dec 31/Tue Jan 01 8484.8 6 16 08 17 36 19 00 6 00 7 23 1 15 12 17 3 20 ..... 21 15 03.0 -12 16
Updated on February 1, 2021, 2:06 am