Sunspots Observation for 2025 February

1 Observer=================================================================
ASO : : Sunspots Observation  2025  FEB
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Year:  2025    Month: February

OBSERVER:      Igor Grágeda Méndez
               Astronomia Sigma Octante

Instr.:  RFR 
    Fl:  1000mm    Aperture:  90mm    Ocular: 25mm

    Method:  Projection    Image diameter: 140mm

Day  UT  Q  g  s  R  Ng Ns  NR Sg Ss  SR  cR   CV  IS M Cld Remarks 
   
01 1220  3  9 45 135  7 39 109  2  6  26  55  144  53    30 st.cirrus
02 1440  3  9 49 139  7 45 115  2  4  24 128  158  56    30 st.cirrus
03                                                    * 100 
04 1915  3 10 52 152  9 51 141  1  1  11 101  150  58    30 st.cirrus
05 2120  3 10 45 145 10 45 145  0  0   0  52  161  51    20 
06                                                    * 100 Rain
07                                                    * 100 Rain
08 2150  3  7 30 100  5 26  76  2  4  24  28  116  35    70 st.cirrus
09                                                    ! 100 Rain
10 1940  3  8 19  99  5 11  61  3  8  38  36   73  22    20 
11 1315  3  6 17  77  4 12  52  2  5  25  30   73  22    20 st.cirrus
12 1420  2  6 24  84  4 12  52  2 12  32  29  100  27    80 st.cirrus
13 1400  3  5 22  72  2  2  22  3 20  50  23   84  24    70 st.cirrus
14 1425  3  8 27 107  3  3  33  5 24  74  44  152  31    70 st.cirrus
15                                                    * 100 rain
16 1920  3 11 43 153  4  9  49  7 34 104  48  172  48    80 st.cirrus
17                                                    * 100 rain
18 2000  2  9 22 112  4  5  45  5 17  67  45  183  25    90 st.cirrus
19                                                    * 100 
20 1250  3  8 25 105  5  8  58  3 17  47  70  168  29    70 
21 1455  3  9 48 138  4 14  54  5 34  84 104  171  54    30 st.cirrus
22 1345  2 10 49 149  6 13  73  4 36  76  93  134  53    70 
23 1430  3 14 68 208  7 39 109  7 29  99  85  218  78    60 
24 1910  2  8 57 137  5 29  79  3 28  58  13  207  64    30 
25 1450  2  7 56 126  3 30  60  4 26  66  11  180  61    40 st.cirrus
26                                                    * 100 
27 1915  2  9 37 127  5 18  68  4 19  59  43  132  41    90 st.cirrus
28 1355  2  8 21 101  5 17  67  3  4  34  46   73  24    50 st.cirrus

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                 Column Headings              ||Sunspots observation summary
                                              ||
UT:     UTC at middle of observation          ||
 Q:     Quality seeing                        ||   Year:  2025   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 = 123.30   cR =  54.20
SR:     Wolf Relative number South hemisphere ||
         Sg: South Groups,  Ss: South Spots   ||              NR =  73.40   SR =  49.90
cR:     Wolf Relative number Central          ||
CV:     Classification Value after Malde      ||              CV = 142.45   IS =  42.80
          for whole disc                      ||
IS:     Inter Sol index for whole disc        ||             Cld =  66.07%   Q =   2.65
 M:  !  Cloudy all day                        ||
     *  Cloudy at observation hours           ||The Sun has been observed 20 days on 28
     X  Impossible to make any observation    ||possible, 8 cloudy or w/health issues 
Cld:    Percentage of cloudy sky              ||days impede any kind of observation
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