Efemerida komety C/2012 S1 (ISON) po dnech. Pro každé datum je uvedena:

• vzdálenost komety od Slunce v astronomockých jednotkách (jedna astronomická jednotka = cca 149 600 000 km)
• vzdálenost komety od Země v astronomockých jednotkách (jedna astronomická jednotka = cca 149 600 000 km)
• elongace – úhlová vzdálensot od Slunce na obloze
• očekávaná jasnost
• azimut a výška nad obzorem ve stupních večer, ráno a o půlnoci na konci (začátku) nautického soumraku (okamžik, kdy je Slunce 12° pod obzorem)

  Datum      Vzdálenost od  Elongace Jasnost  Večer      Půlnoc     Ráno  
             Slunce  Země                     Az,  h     Az,  h     Az,  h
              AU      AU         °     mag     °   °      °   °      °   °
2013-11-23   0.342   0.861      19     3.5    89,-23    219,-53    301,  2  
2013-11-24   0.300   0.869      17     3.1    86,-22    216,-55    300, -1  
2013-11-25   0.255   0.882      14     2.6    83,-21    212,-57    299, -3  
2013-11-26   0.206   0.900      11     1.9    80,-20    207,-59    297, -6  
2013-11-27   0.150   0.924       8     0.9    77,-18    201,-61    295, -8  
2013-11-28   0.083   0.959       4    -0.9    73,-16    193,-62    293,-11  
2013-11-29   0.032   0.976       1    -4.0    74, -9    184,-57    286, -9  
2013-11-30   0.114   0.913       5     0.0    75, -8    186,-56    286, -7  
2013-12- 1   0.176   0.868       8     1.3    78, -8    188,-53    286, -4  
2013-12- 2   0.228   0.831      10     2.1    80, -7    190,-51    286, -1  
2013-12- 3   0.275   0.798      13     2.6    82, -6    192,-49    286,  1  
2013-12- 4   0.319   0.768      15     3.0    85, -6    193,-47    286,  3  
2013-12- 5   0.360   0.740      17     3.3    87, -5    195,-45    286,  6  
2013-12- 6   0.399   0.714      20     3.6    89, -4    196,-43    286,  8  
2013-12- 7   0.436   0.690      22     3.9    91, -4    197,-41    286, 10  
2013-12- 8   0.472   0.667      24     4.2    93, -3    198,-39    286, 13  
2013-12- 9   0.506   0.644      27     4.4    95, -2    199,-37    286, 15  
2013-12-10   0.539   0.623      29     4.6    97, -1    200,-35    286, 18  
2013-12-11   0.572   0.603      32     4.8    99,  0    200,-32    285, 20  
2013-12-12   0.603   0.584      34     4.9   101,  1    201,-30    285, 23  
2013-12-13   0.634   0.566      37     5.1   104,  2    201,-27    284, 25  
2013-12-14   0.663   0.549      39     5.2   106,  3    202,-25    284, 28  
2013-12-15   0.693   0.532      42     5.3   108,  5    202,-22    283, 30  
2013-12-16   0.721   0.517      45     5.4   111,  6    202,-19    282, 33  
2013-12-17   0.750   0.503      48     5.6   113,  8    202,-17    280, 36  
2013-12-18   0.777   0.489      51     5.7   116,  9    202,-14    279, 38  
2013-12-19   0.804   0.477      54     5.7   118, 11    202,-11    277, 41  
2013-12-20   0.831   0.466      57     5.8   121, 13    202, -7    275, 44  
2013-12-21   0.857   0.457      60     5.9   124, 15    202, -4    272, 47  
2013-12-22   0.883   0.448      63     6.0   126, 17    201, -1    269, 49  
2013-12-23   0.909   0.442      67     6.1   129, 19    201,  3    265, 52  
2013-12-24   0.934   0.436      70     6.2   132, 21    200,  6    261, 54  
2013-12-25   0.959   0.432      73     6.3   135, 24    200, 10    255, 56  
2013-12-26   0.983   0.430      77     6.4   138, 26    199, 13    250, 58  
2013-12-27   1.008   0.429      80     6.5   141, 29    198, 17    243, 59  
2013-12-28   1.031   0.430      84     6.6   144, 31    197, 20    236, 60  
2013-12-29   1.055   0.433      87     6.7   148, 33    196, 24    229, 61  
2013-12-30   1.079   0.437      90     6.8   151, 36    194, 27    222, 61  
2013-12-31   1.102   0.442      93     6.9   154, 38    193, 30    215, 60  
2014- 1- 1   1.125   0.450      96     7.1   157, 40    191, 33    208, 59  
2014- 1- 2   1.147   0.458      98     7.2   161, 42    189, 36    203, 58  
2014- 1- 3   1.170   0.468     101     7.3   164, 44    187, 39    198, 56  
2014- 1- 4   1.192   0.480     103     7.5   167, 46    185, 41    193, 55  
2014- 1- 5   1.214   0.492     105     7.6   170, 48    183, 44    190, 53  
2014- 1- 6   1.236   0.506     107     7.7   173, 50    180, 46    187, 51  
2014- 1- 7   1.258   0.521     109     7.9   178, 52    177, 48    183, 48  
2014- 1- 8   1.279   0.537     111     8.0   181, 54    174, 50    181, 46  
2014- 1- 9   1.301   0.554     112     8.2   184, 55    171, 51    179, 44  
2014- 1-10   1.322   0.572     113     8.3   187, 57    168, 53    177, 42  
2014- 1-11   1.343   0.590     114     8.4   190, 58    165, 54    176, 41  
2014- 1-12   1.363   0.609     115     8.6   193, 59    163, 54    175, 39  
2014- 1-13   1.384   0.629     116     8.7   195, 60    160, 55    174, 37  
2014- 1-14   1.405   0.650     117     8.8   198, 61    157, 56    173, 36  
2014- 1-15   1.425   0.671     117     9.0   200, 62    154, 56    173, 34  
2014- 1-16   1.445   0.693     118     9.1   203, 63    152, 56    172, 33  
2014- 1-17   1.465   0.715     118     9.2   205, 64    149, 56    172, 32  
2014- 1-18   1.485   0.738     118     9.4   207, 65    147, 56    171, 30  
2014- 1-19   1.505   0.761     118     9.5   209, 66    145, 56    171, 29  
2014- 1-20   1.525   0.785     118     9.6   211, 67    143, 56    171, 28  
2014- 1-21   1.544   0.809     118     9.7   213, 68    141, 56    170, 27  
2014- 1-22   1.564   0.834     118     9.8   215, 68    139, 56    170, 26  
2014- 1-23   1.583   0.858     118    10.0   217, 69    137, 55    170, 25  
2014- 1-24   1.602   0.883     118    10.1   219, 70    135, 55    170, 24  
2014- 1-25   1.621   0.909     117    10.2   221, 71    134, 55    170, 23  
2014- 1-26   1.640   0.934     117    10.3   223, 72    133, 54    170, 22  
2014- 1-27   1.659   0.960     117    10.4   224, 72    131, 54    170, 21  
2014- 1-28   1.678   0.987     116    10.5   226, 73    130, 53    170, 21  
2014- 1-29   1.697   1.013     116    10.6   228, 74    129, 53    170, 20  
2014- 1-30   1.715   1.040     115    10.7   229, 75    128, 52    170, 19  
2014- 1-31   1.734   1.067     115    10.8   231, 75    127, 52    170, 19