Sunspots Observation for 2016 February

Sunspots Observation  2016  FEBRUARY

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Year:  2016
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                                                      ! 100 
  2                                                      ! 100 rAIN        
  3 1810 3  5  37  87  3  18  48  2  19  39  19   95  42    40 
  4 1715 3  6  53 113  3  20  50  3  33  63  44  117  59     5 
  5 1610 3  5  28  78  1   6  16  4  22  62  22   71  33    75 
  6 1410 3  4  28  68  2  15  35  2  13  33  41   73  32    40 
  7 1540 3  5  43  93  3  23  53  2  20  40  43   91  48    75 
  8 1530 3  5  39  89  3  23  53  2  16  36  30   72  44    40 
  9 1720 2  3  25  55  2  19  39  1   6  16  25   63  28   100 st. cirrus  
 10 1940 3  4  31  71  3  25  55  1   6  16  28   52  35   100 st. cirrus  
 11 1740 3  5  38  88  4  33  73  1   5  15  39   42  41    15 
 12                                                      ! 100 
 13 1620 4  3  25  55  1  19  29  2   6  26  14   45  28     0 
 14 1910 3  3  26  56  2  20  40  1   6  16   0   48  29    75 
 15 1810 3  2  15  35  2  15  35  0   0   0   0   38  17    30 
 16 1510 3  3  17  47  3  17  47  0   0   0  15   44  20    60 
 17 1815 3  2  10  30  2  10  30  0   0   0  18   14  12    25 
 18 1910 3  5  16  66  5  16  66  0   0   0  51   26  21    85 
 19 1940 3  3  13  43  3  13  43  0   0   0  43   24  16    70 
 20 1840 3  3  20  50  3  20  50  0   0   0  50   45  23    80 
 21 1450 3  3  22  52  3  22  52  0   0   0  15   48  25    15 
 22 1810 3  2  11  31  2  11  31  0   0   0  12   30  13    60 
 23 1650 3  2   6  26  2   6  26  0   0   0   0   29   8    75 
 24 1820 3  3   9  39  2   6  26  1   3  13   0   21  12    60 
 25                                                      ! 100 RAin        
 26 1940 3  2   8  28  1   1  11  1   7  17  17   17   9    20 
 27                                                      * 100 
 28 1540 3  2  15  35  1   3  13  1  12  22  35   33  17    60 cirrus      
 29 1815 3  3  20  50  2  10  30  1  10  20  50   54  23     5 


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Sunspots observation summary
Year:  2016
Month: February

OBSERVER:      German Morales C.
               Astronomia Sigma Octante

Monthly Mean     R =  57.7     

                NR =  39.6    SR =  18.1    cR =  25.5

                CV =  49.7    IS =  26.5

                 Q =   3.0   Cld =  59.0%

The Sun has been observed 24 days on 29 possible.
5 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