The bold row is the date which is the real azimuth
standstill
limit for that location (using JPL and linear interpolation).
The red dates are dates mentioned by
Meeus
([1997], table 5A) as major (declination)
standstill
limits.
The below columns mean:
Date and time [UTC], C(ivil)/N(autical)/A(stronomical)twilight/*=sun
above horizon, t(ransit), azimuth, apparent altitude, moon phase
(full=100%)
Maeshowe
Northern:
2006-Sep-15
06:46 * t 180.0876 59.2161 41.7
2006-Mar-07 19:04 N t 180.4807 59.1989
59.7
2006-Oct-12 04:36 A t 180.1072 59.1726
68.7
2006-May-01 15:36 * t 180.0835 59.1433
17.4
2005-Sep-25 06:06 * t 180.3618
59.134
50.4
2006-Apr-04 17:49 * t 180.0615 59.1134
42.6
2007-Feb-25 19:32 A t 180.4928 59.0964
66
2006-Feb-08 21:08 t
179.9604
59.0868 83.7
2006-Jul-22 10:00 * t 180.2894
59.0168
8
2007-Jan-29 21:36 t
179.9908
59.0065 88.2
Sounthern:
2005-Sep-12 19:20 C t 180.4013 1.8874
64.7
2006-Aug-05 20:53 C t 179.8337 1.8412
83.3
2006-Mar-22
05:49 C t 179.8902 1.8219 56.1
2006-May-16 02:37 N t 179.9781 1.8207
90.9
2007-Feb-13 08:33 * t 180.0233 1.8076
22.3
2006-Apr-19 04:44 C t 180.1732
1.757
71
2005-Oct-09 17:11 * t 180.0661 1.7506
38.1
2006-Sep-02 19:40 C t 180.3354 1.7224
69.2
2006-Feb-23 08:00 * t 180.0591 1.7084
28.9
2006-Sep-29 17:28 * t 179.9626
1.69
42.4
Callanish I
Northern:
2006-Sep-15
07:01 * t 180.1548 60.0201 41.5
2006-Mar-07 19:18 N t 180.1363 60.0101
59.8
2006-Oct-12 04:51 A t 180.164
59.9838 68.6
2006-May-01 15:51 * t 180.1466 59.9517
17.5
2005-Sep-25 06:20 * t 180.0208 59.9422
50.3
2006-Apr-04 18:04 * t 180.1342 59.9142
42.7
2007-Feb-25 19:46 A t 180.1334 59.9077
66.1
2006-Feb-08 21:23 t
180.0358
59.8925 83.7
2006-Jul-22 10:15 * t
180.36
59.8275 7.9
2007-Jan-29 21:51 t
180.0455
59.812 88.3
Southern:
2005-Nov-05 15:19 * t 179.9089
2.628
14.9
2006-Aug-05 21:08 C t 179.8577 2.5791
83.4
2006-May-16 02:52 N t 180.003
2.5626 90.9
2006-Mar-22
06:04 C t 179.9174 2.557 56
2007-Feb-13 08:48 * t 180.053
2.5507 22.2
2006-Apr-19 04:59 C t 180.1993 2.5026
70.9
2005-Oct-09 17:26 * t 180.0883 2.4921
38.2
2006-Sep-02 19:54 C t 180.1498 2.4674
69.3
2006-Feb-23 08:15 * t 180.0801 2.4471
28.8
2006-Sep-29 17:43 * t 179.9932
2.4275
42.6