Solar Observations.
(Observaciones Solares)

Last Solar Report
(último Informe Solar)


Sunspots Observation  2017  DECEMBER

***************************************************************************

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 


***************************************************************************

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

***************************************************************************

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

***************************************************************************


Report generated and Sent by: SOdb-ASO-gmc software (c)1999-v:2013


More recent past Solar Reports shown in these pages
(Informes solares pasados, más recientes)

For older Solar Reports Please contact us.
Para los Informes Solares más antiguos ponerse en contacto con nosotros.