Sunspots Observation for 2024 February

1 Observer=================================================================
ASO : Sunspots Observation  2024  FEBRUARY
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Year:  2024    Month: February

OBSERVER:      Igor Grágeda Méndez
               Astronomia Sigma Octante

Instr.:  RFR 
    Fl:  1000mm    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 1545  2  4 19  59 3  18  48  1   1  11  27   68  21    95 st.cirrus
02 2150  3  7 42 112 5  37  87  2   5  25  51   80  48    30  
03 1440  3  8 31 111 5  18  68  3  13  43  58   97  37    40  
04 1820  2  9 40 130 6  11  71  3  29  59  48  144  44    40  
05 1340  3 10 38 138 6  14  74  4  24  64 152  152  43    50  
06                                                     * 100  
07 1230  2  8 36 116 2   5  25  6  31  91  61   87  39    20  
08 2035  2  6 27  87 2   3  23  4  24  64  54   91  30    40  
09                                                     ! 100  
10                                                     * 100  
11                                                     * 100 rain
12 1900  2  8 47 127 2  22  42  6  25  85  94  143  50    80 st.cirrus
13                                                     * 100 rain
14                                                     * 100 rain
15 1830  2 11 41 151 6  20  80  5  21  71  46  154  47    70  
16 1435  2  7 23  93 3  19  49  4   4  44  39  134  25    80 st.cirrus
17                                                     * 100 rain
18 1605  3  6 15  75 3  12  42  3   3  33  11   77  16    50  
19 2035  2  5 12  62 4  11  51  1   1  11  11   70  34    60  
20 2105  2  2 10  30 2  10  30  0   0  0   0    61  11    95 st.cirrus
21 1350  3  2 18  38 2  18  38  0   0  0   0    58  19    10  
22 1340  2  2 22  42 2  22  42  0   0  0   0    58  23    70 st.cirrus
23 1335  3  4 35  75 2  29  49  2   6  26  38   90  37    30 st.cirrus
24 1450  2  5 42  92 3  37  67  2   5  25  42  121  45    80 st.cirrus
25                                                     * 100 rain
26 1415  3  5 35  85 3  31  61  2   4  24  11  115  38    50  
27 1310  2  6 41 101 4  35  75  2   6  26  26  112  45    40 st.cirrus
28                                                     * 100  
29 1215  2  6 42 102 4  37  77  2   5  25  62  131  46     0 st.cirrus          

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                 Column Headings              ||Sunspots observation summary
                                              ||
UT:     UTC at middle of observation          ||
 Q:     Quality seeing                        ||   Year:  2024   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 =  91.30   cR =  41.55
SR:     Wolf Relative number South hemisphere ||
         Sg: South Groups,  Ss: South Spots   ||              NR =  54.95   SR =  36.35
cR:     Wolf Relative number Central          ||
CV:     Classification Value after Malde      ||              CV = 102.15   IS =  34.90
          for whole disc                      ||
IS:     Inter Sol index for whole disc        ||             Cld =  66.55%   Q =   2.35
 M:  !  Cloudy all day                        ||
     *  Cloudy at observation hours           ||The Sun has been observed 20 days on 29
     X  Impossible to make any observation    ||possible, 9 cloudy or w/health issues 
Cld:    Percentage of cloudy sky              ||days impede any kind of observation
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