Mt Blanc/Alpine Valley Lunar Light Ray Predictions

Site Longitude = +98.580
Site Latitude = +39.830
Site Elevation =  +0.000

Feature = Alpine Valley Area
Feature Longitude: =  +0.500
Feature  Latitude: = +46.500

Reproducing Lighting For: 1999/8/19 at 00:25 U.T.

Desired Solar Altitude =  -1.003(Rising),  Azimuth = +88.437
Average Co-longitude =  358.043
In the Time column, D=Daylight, T=Twilight

                      ---- Moon's ----    -- Earth's --
                        Topocentric        Topocentric      -------- Sun's --------
   UT Date    Time     Alt°   Semi-Diam''  Long°   Lat°     Colong°     Lat°    Azim°

 2003/02/09  04:34   +29.852    894.39    -3.144  +2.428    359.624   -1.500  +91.123
 2003/03/10  18:30D  +18.216    897.36    -4.762  -0.673    359.624   -1.500  +91.123
 2003/04/09  06:41   +11.764    907.90    -7.975  -3.672    359.180   -1.079  +90.511
 2003/06/07  03:02T  +45.450    955.50    -6.914  -6.099    357.602   +0.419  +88.335
 2003/08/04  22:47D  +34.769    984.06    -0.590  -1.428    356.491   +1.472  +86.804
 2003/10/02  23:18D  +20.544    970.53    +5.492  +6.073    356.943   +1.043  +87.427
 2003/12/01  05:36   +10.133    924.64    +6.836  +6.561    358.584   -0.513  +89.689
 2003/12/30  21:33D  +31.298    911.52    +6.626  +4.565    359.315   -1.207  +90.697
 2004/02/28  02:51   +56.617    897.51    -0.162  -2.533    359.551   -1.430  +91.022
 2004/04/27  02:01T  +65.333    908.00    -5.588  -6.379    358.203   -0.151  +89.163
 2004/06/24  21:46D  +44.843    937.45    -6.681  -4.482    356.735   +1.240  +87.140
 2004/10/20  22:53D  +19.756    979.97    +2.860  +7.723    357.914   +0.123  +88.765
 2004/12/19  05:55   +12.540    939.45    +6.650  +3.186    359.427   -1.313  +90.851
 2005/01/17  21:03D  +33.386    923.70    +7.724  -0.173    359.671   -1.545  +91.188
 2005/03/17  23:25D  +69.204    902.66    +3.416  -5.996    358.792   -0.711  +89.976
 2005/05/15  20:50D  +38.094    895.74    -1.779  -5.773    357.149   +0.848  +87.711
 2005/11/08  22:55D  +25.065    982.41    -0.317  +6.613    358.941   -0.852  +90.181
 2006/01/07  05:06   +25.682    957.80    +4.972  -1.270    359.637   -1.513  +91.141
 2006/02/05  18:58D  +15.422    933.38    +7.680  -4.185    359.286   -1.179  +90.657
 2006/03/07  07:32   +11.927    913.54    +6.294  -6.102    358.569   -0.499  +89.668
 2006/04/05  18:57D  +15.636    900.89    +6.537  -6.159    357.708   +0.318  +88.481
 2006/05/05  05:39   +27.425    896.19    +2.978  -4.397    356.947   +1.040  +87.432
 2006/07/03  03:04T  +31.540    898.75    -2.698  +1.463    356.430   +1.529  +86.720
 2006/11/27  22:33D  +31.507    975.68    -3.577  +3.218    359.577   -1.455  +91.058
 2007/01/26  02:52   +52.515    976.62    +2.437  -4.902    359.135   -1.036  +90.449
 2007/03/26  03:19   +59.980    945.72    +6.945  -5.907    357.490   +0.525  +88.181
 2007/05/24  01:27D  +59.837    916.77    +5.874  -0.394    356.430   +1.529  +86.720
 2007/07/22  00:33D  +36.138    900.91    +0.570  +5.778    356.972   +1.016  +87.467
 2007/09/19  02:35   +12.498    906.52    -5.430  +7.500    358.570   -0.500  +89.669
 2007/12/16  21:06D  +30.211    959.05    -6.102  -1.117    359.535   -1.415  +91.000
 2008/02/13  23:28D  +70.907    983.53    -0.207  -6.421    358.157   -0.108  +89.100
 2008/04/12  23:14D  +61.983    965.48    +6.419  -3.013    356.671   +1.301  +87.052
 2008/06/10  22:24D  +38.094    928.96    +7.650  +4.085    356.617   +1.352  +86.978
 2008/08/08  22:59D  +25.211    903.46    +3.837  +7.569    357.982   +0.058  +88.859
 2008/10/07  01:39   +21.551    901.46    -2.874  +4.731    359.432   -1.318  +90.858
 2009/01/03  18:25D  +10.394    932.23    -7.209  -4.683    358.822   -0.739  +90.017
 2009/03/03  19:43D  +34.812    968.55    -2.859  -5.351    357.132   +0.864  +87.687
 2009/05/01  19:59D  +24.005    969.53    +4.084  +1.180    356.450   +1.510  +86.748
 2009/06/29  20:23D  +12.555    940.07    +8.097  +6.848    357.410   +0.601  +88.070
 2009/08/27  21:42D  +12.605    909.41    +6.540  +5.855    359.016   -0.923  +90.284
 2009/10/25  23:56T  +30.496    900.21    +0.063  -0.043    359.677   -1.550  +91.195
 2009/12/24  02:09   +42.221    910.58    -6.372  -5.730    358.629   -0.555  +89.750
 2010/02/21  03:47   +36.000    936.60    -8.102  -5.462    356.961   +1.026  +87.452
 2010/04/21  05:08   +26.558    968.03    -4.188  +1.618    356.489   +1.473  +86.802
 2010/11/13  21:07D  +19.876    897.89    +3.246  -4.329    359.181   -1.080  +90.512
 2011/01/11  22:42D  +56.342    902.50    -3.153  -6.127    357.520   +0.496  +88.222