ASO Solar Observations.

Sunspots Observation for 2017 August

Sunspots Observation  2017  AUGUST

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Year:  2017
Month: August

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 1700 4  1   2  12  0   0   0  1   2  12   0   10   3     0 
  2 1720 4  1   4  14  0   0   0  1   4  14   0   10   5     0 
  3 1710 4  1   3  13  0   0   0  1   3  13   0   10   4     0 
  4 1750 4  1   3  13  0   0   0  1   3  13   0   25   4     0 
  5 1740 4  1   3  13  0   0   0  1   3  13  13   25   4     0 
  6 1740 4  1   2  12  0   0   0  1   2  12  12   10   3     0 
  7 1720 4  1   2  12  0   0   0  1   2  12  12   10   3     0 
  8 1740 4  1   2  12  0   0   0  1   2  12  12   10   3     0 
  9 1700 3  1   2  12  0   0   0  1   2  12  12   10   3    30 
 10 1750 3  1   2  12  0   0   0  1   2  12   0   10   3    15 
 11 1810 3  1   2  12  0   0   0  1   2  12   0   10   3     5 
 12 1640 3  1   2  12  0   0   0  1   2  12   0   10   3     5 
 13 1740 3  1   2  12  0   0   0  1   2  12   0   10   3     0 
 14 1820 3  1   4  14  1   4  14  0   0   0   0   25   5     5 
 15 1800 4  1  12  22  1  12  22  0   0   0   0   44  13     0 
 16 1600 2  1  22  32  1  22  32  0   0   0   0   32  23   100 st. cirrus  
 17 1750 4  1  27  37  1  27  37  0   0   0   0   30  28     5 
 18 1710 3  1  25  35  1  25  35  0   0   0  35   30  26   100 st. cirrus  
 19 1750 4  1  32  42  1  32  42  0   0   0  42   36  33     0 
 20 1300 5  2  27  47  2  27  47  0   0   0  33   55  29     0 
 21 1750 4  2  42  62  2  42  62  0   0   0  41   74  44     0 
 22 1800 4  3  36  66  3  36  66  0   0   0  45   60  39     0 
 23                                                      X     
 24 1820 3  2  37  57  2  37  57  0   0   0  34   53  39     5 
 25 1730 4  2  28  48  2  28  48  0   0   0  27   53  30     0 
 26 1740 3  2  24  44  2  24  44  0   0   0  31   36  26    10 
 27 1740 3  2  13  33  2  13  33  0   0   0  21   36  15    15 
 28 1730 3  1   9  19  1   9  19  0   0   0  19   26  10     0 
 29 1800 4  3  12  42  2   9  29  1   3  13   0   72  15     0 
 30 1730 3  3  19  49  2  14  34  1   5  15   0   80  22    10 
 31 1740 4  4  30  70  2  21  41  2   9  29  17  108  34     0 


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Sunspots observation summary
Year:  2017
Month: August

OBSERVER:      German Morales C.
               Astronomia Sigma Octante

Monthly Mean     R =  29.3     

                NR =  22.1    SR =   7.3    cR =  13.5

                CV =  33.7    IS =  15.8

                 Q =   3.6   Cld =  10.2%

The Sun has been observed 30 days on 31 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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