ASO Solar Observations.

Sunspots Observation for 2017 December

Sunspots Observation  2017  DECEMBER

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Year:  2017
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 1530 3  0   0   0  0   0   0  0   0   0   0    0   0   100 cirrus      
  2 1500 4  0   0   0  0   0   0  0   0   0   0    0   0     5 
  3 1550 3  0   0   0  0   0   0  0   0   0   0    0   0    30 
  4                                                      * 100 rain        
  5                                                      ! 100 RAIn        
  6 1520 2  1   3  13  1   3  13  0   0   0  13    7   4   100 st. cirrus  
  7 1540 3  0   0   0  0   0   0  0   0   0   0    0   0     5 
  8                                                      ! 100 rain        
  9 1430 3  0   0   0  0   0   0  0   0   0   0    0   0    90 
 10                                                      ! 100 RAIn        
 11 1640 3  1   4  14  0   0   0  1   4  14   0   13   5    85 
 12 1530 3  0   0   0  0   0   0  0   0   0   0    0   0     0 
 13 1540 4  0   0   0  0   0   0  0   0   0   0    0   0     5 
 14 1600 3  0   0   0  0   0   0  0   0   0   0    0   0    80 
 15 1850 3  0   0   0  0   0   0  0   0   0   0    0   0    20 
 16 1510 3  0   0   0  0   0   0  0   0   0   0    0   0    15 
 17                                                      X     
 18                                                      ! 100 RAin        
 19 1520 2  0   0   0  0   0   0  0   0   0   0    0   0     0 
 20 1450 4  1   9  19  1   9  19  0   0   0   0   28  10     5 
 21 1740 3  1   9  19  1   9  19  0   0   0   0   28  10    60 
 22 1710 3  1  16  26  1  16  26  0   0   0  26   34  17    70 
 23 1750 3  1  17  27  1  17  27  0   0   0  27   28  18    70 
 24                                                      ! 100 rAin        
 25 1610 3  1   9  19  1   9  19  0   0   0  19   25  10    10 
 26 1550 3  1  10  20  1  10  20  0   0   0   0   25  11     5 
 27                                                      * 100 rAin        
 28 1410 3  0   0   0  0   0   0  0   0   0   0    0   0     0 
 29                                                      ! 100 raIn        
 30 1550 3  0   0   0  0   0   0  0   0   0   0    0   0   100 cirrus      
 31 1420 3  0   0   0  0   0   0  0   0   0   0    0   0    40 


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Sunspots observation summary
Year:  2017
Month: December

OBSERVER:      German Morales C.
               Astronomia Sigma Octante

Monthly Mean     R =   7.1     

                NR =   6.5    SR =   0.6    cR =   3.9

                CV =   8.5    IS =   3.9

                 Q =   3.0   Cld =  56.5%

The Sun has been observed 22 days on 31 possible.
8 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