Sunspots Observation for 2023 February

1 Observer=================================================================
ASO : Sunspots Observation  2023  FEBRUARY
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Year:  2023    Month: February

OBSERVER:      Igor Grágeda Méndez
               Astronomia Sigma Octante

Instr.:  RFR 
    Fl:  600mm    Aperture:  90mm    Ocular: 20mm

    Method:  Projection    Image diameter: 140mm

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

01 1405 2  2  8  28  1   1  11  1   7  17   0   35   9    80 
02 2020 3  3 13  43  1   2  12  2  11  31  14   24  16    80 
03                                                     ! 100 rain
04                                                     ! 100 rain
05                                                     *  90 rain
06 1225 2  6 21  81  4  15  55  2   6  26  14   37  25    80 
07 1645 2  6 29  89  5  23  73  1   6  16  29   78  33    90 st.cirrus
08 1620 2  6 31  91  4  26  66  2   5  25  21   81  35    60 st.cirrus
09 1030 2  7 42 112  4  35  75  3   7  37  22  158  47    50 st.cirrus
10                                                     * 100 rain
11 1440 2  7 42 112  5  31  81  2  11  31  21  171  47    90 st.cirrus
12 1415 3  9 45 135  5  31  81  4  14  54  66  158  51    50 st.cirrus
13 1240 3 11 55 165  6  41 101  5  14  64  67  189  63    30 st.cirrus
14 1555 2  7 32 102  3  18  48  4  14  54  58  142  36    60 st.cirrus
15 1515 2  5 16  66  3  14  44  2   2  22  44  116  17    80 st.cirrus
16 1430 2  5 18  68  3  16  46  2   2  22  46   86  19    90 st.cirrus
17 1420 2  6 24  84  3  17  47  3   7  37  35   98  27    60 st.cirrus
18 1940 2  6 28  88  2  20  40  4   8  48   0  134  31    80 st.cirrus
19 1510 3  7 31 101  3  23  53  4   8  48   0  142  34    80 
20 1600 3  5 20  70  2  17  37  3   3  33   0   87  21    40 st.cirrus
21 1420 3  6 30  90  3  24  54  3   6  36   0  116  33    30 st.cirrus
22                                                     * 100 
23 1440 3  5 43  93  3  34  64  2   9  29  46  119  47    20 st.cirrus
24 1500 2  5 58 108  3  39  69  2  19  39  55  131  63    50 st.cirrus
25 1430 2  6 60 120  3  40  70  3  20  50  67  162  65    90 st.cirrus
26 1350 2  5 51 101  3  33  63  2  18  38  67  125  56    20 st.cirrus
27                                                     * 100 
28 1445 3  5 28  78  3  21  51  2   7  27   0   93  31    30 

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                 Column Headings              ||Sunspots observation summary
                                              ||
UT:     UTC at middle of observation          ||
 Q:     Quality seeing                        ||   Year:  2023   Month: February
    1 Bad, 2 Poor, 3 Fair, 4 Good, 5 Excelent ||
 R:      Wolf relative number for whole disc  ||OBSERVER:  Igor Grágeda Méndez
         g: Total Groups,  s: Total Spots     ||           Astronomia Sigma Octante
NR:     Wolf Relative number North hemisphere ||     
         Ng: North Groups,  Ns: North Spots   ||Monthly Mean   R =  92.05   cR =  30.55
SR:     Wolf Relative number South hemisphere ||
         Sg: South Groups,  Ss: South Spots   ||              NR =  56.41   SR =  35.64
cR:     Wolf Relative number Central          ||
CV:     Classification Value after Malde      ||              CV = 112.82   IS =  36.64
          for whole disc                      ||
IS:     Inter Sol index for whole disc        ||             Cld =  68.93%   Q =   2.36
 M:  !  Cloudy all day                        ||
     *  Cloudy at observation hours           ||The Sun has been observed 22 days on 28
     X  Impossible to make any observation    ||possible, 6 cloudy days impede any kind
Cld:    Percentage of cloudy sky              ||of observation
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