ASO Solar Observations.

Sunspots Observation 2011 December

Year:  2011
Month: December

OBSERVER:      German Morales C.
               Astronomia Sigma Octante

Instr.:  SCT 
    Fl:  2000mm    Aperture:  200mm    Aperture stop used:  90mm

    Method:  Projection    Image diameter: 140mm


Day  UT  Q  g   s   R Ng  Ns  NR Sg  Ss  SR  cR   CV  IS M Cld Remarks     

  1 1240 4  7  44 114  5  32  82  2  12  32  44  134  51     5 
  2 1400 4  7  45 115  5  31  81  2  14  34  39  118  52     0 
  3 1420 4  8  70 150  6  43 103  2  27  47  57  145  78     0 
  4 1500 4  9  60 150  6  32  92  3  28  58  99  171  67     0 
  5 1410 4 10  61 161  6  32  92  4  29  69 104  163  71     0 
  6 1300 3 11  44 154  6  20  80  5  24  74  72  115  53     0 
  7 1240 4  7  34 104  4  13  53  3  21  51  51   95  40    30 cirrus      
  8 1810 3  7  23  93  4  14  54  3   9  39  28   63  29   100 st. cirrus  
  9                                                      ! 100 rAin        
 10                                                      * 100 
 11 1340 3  5  22  72  3   6  36  2  16  36  12   80  27    20 
 12                                                      * 100 rain        
 13                                                      ! 100 rAIn        
 14                                                      * 100 
 15 1640 2  3  17  47  2  10  30  1   7  17  29   45  20    95 
 16 1400 3  4  24  64  2   8  28  2  16  36  36   67  28    20 
 17 1520 3  7  31 101  3  10  40  4  21  61  28   94  37    10 
 18 1620 3  6  35  95  2   7  27  4  28  68  27   64  41    20 
 19 1520 3  7  32 102  3   6  36  4  26  66  42   66  39    30 
 20 1250 3  5  39  89  3  15  45  2  24  44  31   78  43    50 cirrus      
 21 1730 3  4  61 101  3  35  65  1  26  36  36   87  65    70 cirrus      
 22 1320 4  4  44  84  3  23  53  1  21  31  31  110  48    10 cirrus      
 23 1610 2  6  42 102  3  18  48  3  24  54  47  122  48    85 
 24 1710 3  6  23  83  2  12  32  4  11  51  32   69  29    25 
 25                                                      ! 100 RAin        
 26 1750 3  5  43  93  1  13  23  4  30  70  23  116  48    60 
 27 1520 3  4  28  68  1   7  17  3  21  51  34   88  32    80 
 28 1810 3  6  35  95  1   5  15  5  30  80  21   93  41    75 
 29 1700 3  5  22  72  1   3  13  4  19  59  16   68  27   100 st. cirrus  
 30 1620 3  7  34 104  3  10  40  4  24  64  40   76  40   100 st. cirrus  
 31 1940 2  6  23  83  1   2  12  5  21  71  13   69  29   100 st. cirrus  


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Sunspots observation summary
Year:  2011
Month: December

OBSERVER:      German Morales C.
               Astronomia Sigma Octante

Monthly Mean     R =  99.8     

                NR =  47.9    SR =  52.0    cR =  39.7

                CV =  95.8    IS =  43.3

                 Q =   3.2   Cld =  54.4%

The Sun has been observed 25 days on 31 possible.
6 cloudy days impede observe the Sun

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Column Headings

UT:     UTC at middle of observation
Q:      Quality seeing
        1 Bad, 2 Poor, 3 Fair, 4 Good, 5 Excelent

R:      Wolf relative number for whole disc
         g: Total Groups,  s: Total Spots
NR:     Wolf Relative number North hemisphere
         Ng: North Groups,  Ns: North Spots
SR:     Wolf Relative number South hemisphere
         Sg: South Groups,  Ss: South Spots
cR:     Wolf Relative number Central
CV:     Classification Value after Malde for whole disc
IS:     Inter Sol index for whole disc

M:   !  Cloudy all day
     *  Cloudy at observation hours
     X  Impossible to make any kind of observation
Cld:    Percentage of cloudy sky

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