ASO Solar Observations.

Sunspots Observation for 2021 October

1 Observer=================================================================

Sunspots Observation  2021  OCTOBER

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Year:  2021
Month: October

OBSERVER:      Igor Grágeda M.
               Astronomia Sigma Octante

Instr.:  RFR 
    Fl:  600mm    Aperture:  90mm    

    Method:  Projection    Image diameter: 140mm

Day  UT  Q  g  s  R Ng  Ns  NR Sg  Ss  SR  cR   CV  IS M Cld Remarks     

01  1545 3  2 11 31  1   6  16  1   5  15  16  101  13     5 
02  1410 3  0  0  0  1   3  13  0   0   0  13   26   4    20 st.cirrus
03  1230 3  1  9 19  1   9  19  0   0   0  19   29  10     0 
04  1410 3  2  8 28  2   8  28  0   0   0  17   66   9    30 
05  1440 3  2  5 25  2   5  25  0   0   0   0   68   6    80 st.cirrus (big halo)
06  1750 3  1  1 11  1   1  11  0   0   0   0   40   1    80 
07                                                     ! 100 rain
08  1430 3  1  6 16  1   6  16  0   0   0  16   25   7    20 
09  1330 3  1  7 17  1   7  17  0   0   0  17   52   8    90 
10  1855 3  1  5 15  1   5  15  0   0   0  15   49   6    90 st.cirrus
11  1310 3  1  4 14  1   4  14  0   0   0   0   49   5    10 
12                                                     X   0 
13  1315 2  1  3 13  1   3  13  0   0   0   0   49   4    80 st.cirrus
14  1240 3  1  2 12  1   2  12  0   0   0   0   41   3     0 
15  1415 3  1  1 11  1   1  11  0   0   0   0   40   1    20 
16  1555 3  1  1 11  1   1  11  0   0   0   0   10   1    90 st.cirrus
17  1215 3  0  0  0  0   0   0  0   0   0   0    0   0    80 st.cirrus
18  1455 3  1  1 11  0   0   0  1   1  11   0   10   1    30 
19  1535 3  1  1 11  0   0   0  1   1  11   0   10   1    80 st.cirrus
20  1310 3  1  1 11  0   0   0  1   1  11   0   10   1    40 st.cirrus
21  1740 3  1  1 11  0   0   0  1   1  11   0   10   1    90 st.cirrus
22  1315 3  2  3 23  0   0   0  2   3  23  11   18   4     0 smog
23  1340 3  2  8 28  0   0   0  2   8  28  11   56   9     0 
24  1240 3  2 10 30  0   0   0  2  10  30  11   56  11     0 
25  1400 3  2 11 31  0   0   0  2  11  31   0   56  12    80 st.cirrus, smog
26  1735 3  4 18 58  0   0   0  4  18  58  11   62  20    60 
27  1250 3  4 18 58  1   3  13  3  15  45   0   75  21    10 
28  1235 3  3 16 46  1   5  15  2  11  31   0   70  18    30 
29  1325 3  3 26 56  1  13  23  2  13  33   0   84  28    50 
30  1240 3  2 14 34  1   9  19  1   5  15   0   56  16    20 st.cirrus
31                                                     * 100 
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Sunspots observation summary

Year:  2021
Month: October

OBSERVER:      Igor Grágeda M.
               Astronomia Sigma Octante

Monthly Mean     R =  20.35    

                NR =   9.39   SR =  11.39    cR =   5.06

                CV =  39.29   IS =   7.13

                 Q =   2.96  Cld =  46.17%

The Sun has been observed 28 days on 31 possible.
3 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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