ASO Solar Observations.

Sunspots Observation for 2013 April

Sunspots Observation  2013  APRIL

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Year:  2013
Month: April

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 1620 4  7  34 104  3  13  43  4  21  61  61   91  40     0 
  2 2000 3  7  35 105  4  17  57  3  18  48  50   73  42    80 
  3 1530 3  7  39 109  5  23  73  2  16  36  84  106  46   100 cirrus      
  4 1900 2  6  35  95  4  19  59  2  16  36  71  102  40   100 st. cirrus  
  5 1715 4  8  46 126  4  28  68  4  18  58  44  119  54     0 
  6 1500 4  9  54 144  6  36  96  3  18  48  88  114  61    20 cirrus      
  7 1450 4  9  71 161  5  54 104  4  17  57  77  142  80     5 
  8 1600 3  8  65 145  6  54 114  2  11  31  90  116  72    30 cirrus      
  9 1830 4  7  67 137  4  55  95  3  12  42  87  161  74     5 
 10 1600 4  7  70 140  4  51  91  3  19  49  65  187  77     0 
 11 1255 4  6  75 135  3  53  83  3  22  52  54  148  81     0 
 12 1250 4  6  67 127  3  44  74  3  23  53  73  123  73     0 
 13 2040 3  7  46 116  3  24  54  4  22  62  52   86  52   100 st. cirrus  
 14 1940 3  7  46 116  3  18  48  4  28  68  36  109  53    50 
 15 1550 4  6  52 112  2   5  25  4  47  87  74   99  58     0 
 16 1920 3  6  45 105  1   4  14  5  41  91  43   99  51    20 
 17 1550 4  5  48  98  1   4  14  4  44  84  45   77  53     5 
 18 1540 4  6  42 102  1   1  11  5  41  91  71   78  47     0 
 19 1300 4  4  22  62  2  11  31  2  11  31  48   55  26     0 
 20 1800 4  4  37  77  2  30  50  2   7  27  31   71  41     0 
 21 1600 4  5  48  98  3  42  72  2   6  26  38   99  52     0 
 22 1550 4  6  50 110  3  44  74  3   6  36  12   82  56     0 
 23 1720 3  4  35  75  3  33  63  1   2  12  25   69  39     0 
 24 1625 4  7  47 117  5  38  88  2   9  29  14  120  54     0 
 25 1540 4  7  53 123  4  21  61  3  32  62  14  145  60     0 
 26 1250 4  8  49 129  5  32  82  3  17  47  35  133  57     0 
 27 1550 4  6  50 110  3  26  56  3  24  54  54   93  56     0 
 28 1310 5  6  57 117  3  27  57  3  30  60  77   87  63     0 
 29 1600 4  7  76 146  2  35  55  5  41  91  80  191  81     0 
 30 1730 4  6  83 143  2  40  60  4  43  83  70  163  89     0 


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Sunspots observation summary
Year:  2013
Month: April

OBSERVER:      German Morales C.
               Astronomia Sigma Octante

Monthly Mean     R = 116.1     

                NR =  62.4    SR =  53.7    cR =  55.4

                CV = 111.3    IS =  57.6

                 Q =   3.7   Cld =  17.2%

The Sun has been observed 30 days on 30 possible.
0 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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Report generated and Sent by: SOdb-ASO-gmc software (c)1999-v:2013