Observation data of comet C/2012 S1 (ISON)


CCD photometry data


C/2012 S1 (ISON)
IIIYYYYMnL YYYY MM DD.DD eM/mm.m:r AAA.ATF/xxxx /dd.ddnDC /t.ttmANG ICQ XX*OBSxxf InT APERTURcamchip SFW C ## u.uu xx.x PIXELSIZE
   2012S1  2012 10 14.77 aC 17.3 TJ 16.0L 6A260   0.3               ICQ XXxYOS02I a  5S 0.3 mST9 K26 SI5 5         11.9  4.1s 4.1

   2012S1  2012 12 19.82 xC 16.5 TJ 16.0L 6A140   0.5               ICQ XX YOS02N a  5S 0.5 mST9 K26 SI5 5         12.0  4.1s 4.1

   2012S1  2013 02 11.57  C 15.8 TA 16.0L 6a900   0.5               ICQ XX YOS02N a  5C 0.6 mST9 K26 SI5 5         11.2  4.1s 4.1

   2012S1  2013 04 09.48 aC 15.8 TJ 16.0L 6a900   0.5               ICQ XXxYOS02I a  5S 0.5 mST9 K26 SI5 5         11.7  4.1s 4.1

   2012S1  2013 05 06.49 xC 15.5 TJ 16.0L 6a900   0.4               ICQ XX YOS02N a  5S 0.4 mST9 K26 SI5 5         11.2  4.1s 4.1

   2012S1  2013 09 12.83  H 12.7 TA 16.0L 6a300   0.6       1.3m300 ICQ XX YOS02I a 30S 0.6 mST9 K26 SI5 5         12.2  4.1s 4.1

   2012S1  2013 09 13.82  C 13.0 TA 16.0L 6a150   0.6       1.4m305 ICQ XX YOS02I a 30S 0.6 mST9 K26 SI5 5         11.7  4.1s 4.1

   2012S1  2013 09 19.82  C 12.8 TA 16.0L 6a360   0.8       3.5m295 ICQ XX YOS02I a 30C 0.8 mST9 K26 SI5 5         11.6  4.1s 4.1
   2012S1  2013 09 19.82  V 12.8 TA 16.0L 6a360   0.6       2.5m295 ICQ XX YOS02I a 30C 0.8 mST9 K26 SI5 5         11.6  4.1s 4.1
   2012S1  2013 09 19.83  H 12.2 TA 16.0L 6a360   0.8       3.5m295 ICQ XX YOS02I a 30C 0.8 mST9 K26 SI5 5         10.9  4.1s 4.1

   2012S1  2013 09 25.84  C 12.0 TA 16.0L 6a240   1.5       6.3m300 ICQ XX YOS02I a 30C 1.5 mST9 K26 SI5 5         12.1  4.1s 4.1
   2012S1  2013 09 25.83  V 12.0 TA 16.0L 6a330   1.5       4.0m300 ICQ XX YOS02I a 30C 1.5 mST9 K26 SI5 5         12.1  4.1s 4.1
   2012S1  2013 09 25.84  H 11.5 TA 16.0L 6a300   1.5       6.3m300 ICQ XX YOS02I a 30C 1.5 mST9 K26 SI5 5         11.5  4.1s 4.1

   2012S1  2013 09 30.82 aC 11.9 LA 16.0L 6a240   2.3       7.0m297 ICQ XX YOS0221a 15C 2.3 mST9 K26 SI5 5         11.8  4.1s 4.1
   2012S1  2013 09 30.83 aL 12.7 LA 16.0L 6a240   0.9       3.2m297 ICQ XX YOS0221a 15C 2.3 mST9 K26 SI5 5         12.9  4.1s 4.1
   2012S1  2013 09 30.84 aH 11.2 LA 16.0L 6a240   1.5       5.5m297 ICQ XX YOS0221a 15C 2.3 mST9 K26 SI5 5         11.2  4.1s 4.1
   2012S1  2013 09 30.83 aV 11.7 LA 16.0L 6a240   1.7       7.0m297 ICQ XX YOS0221a 15C 2.3 mST9 K26 SI5 5         11.8  4.1s 4.1

   2012S1  2013 10 29.78 aH 10.7 LA 16.0L 6a360   1.3      17  m300 ICQ XX YOS0233a 30C 3.5 mST9 K26 SI5 5         11.2  4.1s 4.1
   2012S1  2013 10 29.79 aV 10.3 LA 16.0L 6a360   3.5      15  m300 ICQ XX YOS0233a 30C 3.5 mST9 K26 SI5 5         10.1  4.1s 4.1
   2012S1  2013 10 29.80 aL 10.9 LA 16.0L 6a660   1.6       6  m300 ICQ XX YOS0233a 30C 3.5 mST9 K26 SI5 5         10.3  4.1s 4.1
   2012S1  2013 10 29.82 aC 10.7 LA 16.0L 6a570   3.5      20  m300 ICQ XX YOS0233a 15C 3.5 mST9 K26 SI5 5         11.8  4.1s 4.1

   2012S1  2013 11 04.82 aC  9.8 LA 16.0L 6a240   4.7     >23  m299 ICQ XX YOS0210a 15C 4.7 mST9 K26 SI5 5          9.9  4.1s 4.1
   2012S1  2013 11 04.82 aH  9.5 LA 16.0L 6a240   2.0     >23  m299 ICQ XX YOS0210a 30C 4.7 mST9 K26 SI5 5          9.2  4.1s 4.1
   2012S1  2013 11 04.82 aV  9.1 LA 16.0L 6a240   4.7     >23  m299 ICQ XX YOS0210a 30C 4.7 mST9 K26 SI5 5          9.9  4.1s 4.1
   2012S1  2013 11 04.83 xL  9.7 AQ 16.0L 6a480   4.7      15  m299 ICQ XX YOS02I a 60C 4.7 mST9 K26 SI5 5         10.6  4.1s 4.1

   2012S1  2013 11 11.84 wV  8.2 LA 16.0L 6a180   6.9     >29  m299 ICQ XX YOS02 5a 15C 6.9 mST9 K26 SI5 5          9.9  4.1s 4.1
   2012S1  2013 11 11.83 wC  8.7 LA 16.0L 6a180   6.9     >29  m299 ICQ XX YOS02 5a  5C 6.9 mST9 K26 SI5 5          9.9  4.1s 4.1
   2012S1  2013 11 11.84 wH  8.7 LA 16.0L 6a180   3.5     >29  m299 ICQ XX YOS02 5a 15C 6.9 mST9 K26 SI5 5          9.4  4.1s 4.1
   2012S1  2013 11 11.85 wL  9.0 LA 16.0L 6a360   5.5      25  m299 ICQ XX YOS02 5a 30C 6.9 mST9 K26 SI5 5         10.2  4.1s 4.1


Date unfilter mag V band mag Ic band mag V-I r(AU) delta(AU) 2012/10/14.77 17.3 6.06 6.14 2012/12/19.82 16.5 5.40 4.54 2013/02/11.57 15.8 4.82 4.01 2013/04/09.48 15.8 4.16 4.23 2013/05/06.49 15.5 3.84 4.33 2013/09/12.83 -- -- 12.7 -- 2.00 2.69 2013/09/19.82 12.8 12.8 12.2 0.63 1.86 2.47 2013/09/25.84 12.0 12.0 11.5 0.48 1.73 2.27 2013/09/30.83 11.9 11.7 11.2 0.51 1.65 2.16 2013/10/29.82 10.7 10.3 10.7 -0.39 1.05 1.29 2013/11/04.82 9.8 9.1 9.5 -0.37 0.93 1.15 2013/11/11.83 8.7 8.2 8.7 -0.43 0.74 0.98

Visual data


C/2012 S1 (ISON)
IIIYYYYMnL YYYY MM DD.DD eM/mm.m:r AAA.ATF/xxxx /dd.ddnDC /t.ttmANG ICQ XX*OBSxx
   2012S1  2013 09 26.83  S 11.7 TA 25.4L 4 103   1.1  4            ICQ XX YOS02
   2012S1  2013 10 03.83  S 11.3 TA 25.4L 4  46   2.2  3            ICQ XX YOS02
   2012S1  2013 10 12.84  S 10.6 TA 25.4L 4  46   2.5  4            ICQ XX YOS02
   2012S1  2013 10 29.83  S  9.9 TA 10.0B    26   4    4            ICQ XX YOS02
   2012S1  2013 11 04.83 xS  9.3 TK 10.0B    20   4    4            ICQ XX YOS02
   2012S1  2013 11 05.84 xS  9.3 TK 10.0B    20   5    5            ICQ XX YOS02
   2012S1  2013 11 10.83 xM  8.1 TK 10.0B    20   6    5   20  m300 ICQ XX YOS02
   2012S1  2013 11 11.83 xM  8.0 TK 10.0B    20   6    6   20  m300 ICQ XX YOS02
   2012S1  2013 11 12.83 wM  7.1 TK 10.0B    20   4    6/  20  m290 ICQ XXxYOS02
   2012S1  2013 11 18.85 wM  5.2 TK  4.2B     8        7            ICQ XXxYOS02
   2012S1  2013 11 20.86 wM  3.8 TK  4.2B     8        7/           ICQ XXxYOS02
   2012S1  2013 11 21.87 wM  3.7 TK  4.2B     8        7/           ICQ XXxYOS02



Photo image

2012/10/14 16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi)
2012/12/19 16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi)
2013/02/11 16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi)
2013/04/09 16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi)
2013/09/13 16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi)
2012/09/19 16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi)
2012/09/25 16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi)
2013/09/30 16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi)
2013/10/29 16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi)
2013/11/04 16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi)
2013/11/11 16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi)
2013/11/12 180mm f/2.8 lens + Nikon D5100
2013/12/08 not seen Dec. 8.88, [15 (16.0-cm f/6.3 reflector + unfilter CCD (ST9XEi))
2013/12/14 not seen Dec.14.86, [15.5 (180mm f/2.8 lens + Nikon D5100)
2014/01/01 not seen Jan. 1.84, [16.5 (180mm f/2.8 lens + Nikon D5100)