ASO Solar Observations.

Sunspots Observation for 2013 February

Sunspots Observation  2013  FEBRUARY

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Year:  2013
Month: February

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 1520 2  4  14  54  3  10  40  1   4  14   0   52  18   100 st. cirrus  
  2 1650 2  4  16  56  3  14  44  1   2  12  13   46  20   100 st. cirrus  
  3 2030 3  3  17  47  2  15  35  1   2  12  14   42  20   100 st. cirrus  
  4 1615 3  3  11  41  3  11  41  0   0   0  13   39  14    75 
  5 1720 3  3  13  43  3  13  43  0   0   0  15   42  16    75 
  6 1830 2  3  19  49  3  19  49  0   0   0  22   48  22    80 
  7 1710 3  4  22  62  4  22  62  0   0   0  30   91  26    85 
  8 1710 3  4  19  59  4  19  59  0   0   0  35   58  22    70 
  9 1850 3  4  24  64  4  24  64  0   0   0  38   56  28    50 
 10 2150 3  4  22  62  3  20  50  1   2  12  24   49  26    60 
 11 1450 3  4  17  57  3  13  43  1   4  14   0   70  20    85 
 12 1400 4  4   9  49  3   8  38  1   1  11   0   55  10     5 
 13 1830 4  2   6  26  2   6  26  0   0   0   0   35   7    40 
 14 1910 3  2   5  25  2   5  25  0   0   0  12   35   7    60 
 15                                                      * 100 rAIn        
 16 1450 4  3   6  36  1   2  12  2   4  24   0   30   9    10 
 17 1750 2  3  12  42  2  10  30  1   2  12  30   27  15    95 
 18 1610 3  6  47 107  3  22  52  3  25  55  40   93  53    40 
 19 1720 3  7  50 120  4  25  65  3  25  55  43  133  57    30 
 20 1830 3  5  40  90  3  14  44  2  26  46  31   98  45    70 
 21 1400 3  5  31  81  3  21  51  2  10  30  30  104  36    90 
 22 1250 4  5  29  79  3  14  44  2  15  35  35   87  34    15 
 23 1540 3  3  11  41  1   2  12  2   9  29  29   21  14    20 
 24 1320 4  4  14  54  3   6  36  1   8  18  30   40  18    10 
 25 1610 3  3  18  48  1   3  13  2  15  35  15   54  21   100 st. cirrus  
 26 1825 3  3  27  57  1   9  19  2  18  38  22   48  30   100 st. cirrus  
 27 1400 3  4  24  64  1   5  15  3  19  49  35   58  28    30 
 28 1340 3  4  32  72  1   2  12  3  30  60  43   79  36    20 


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Sunspots observation summary
Year:  2013
Month: February

OBSERVER:      German Morales C.
               Astronomia Sigma Octante

Monthly Mean     R =  58.7     

                NR =  37.9    SR =  20.8    cR =  22.2

                CV =  58.9    IS =  24.1

                 Q =   3.0   Cld =  61.2%

The Sun has been observed 27 days on 28 possible.
1 cloudy day  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