Sunspots Observation for 2025 January

1 Observer=================================================================
ASO : : Sunspots Observation  2025 JAN
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Year:  2025    Month: January

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 1330  3 10 56 156 2  15  35  8  41 121  54  174  63    90 st.cirrus
02                                                     * 100 
03                                                     * 100 
04                                                     * 100 
05                                                     ! 100 rain
06                                                     * 100 rain
07 1910  3 10 36 136 3  19  49  7  17  87  80  133  39    70 
08                                                     ! 100 rain
09 1920  3  8 30 110 5  24  74  3   6  36  35  151  35    70 st.cirrus
10                                                     ! 100 rain
11                                                     ! 100 rain
12 1425  3  8 20 100 6  16  76  2   4  24  15   62  24    90 st.cirrus
13 1430  3  7 19  89 5  17  67  2   2  22  29  116  23    30 st.cirrus
14 1150  2  5 17  67 4  11  51  1   6  16  15   87  20    10 st.cirrus
15                                                     * 100 
16 1855  2  7 42 112 6  28  88  1  14  24  41  146  46    80 
17                                                     ! 100 rain
18                                                     ! 100 rain
19 1510  3  7 51 121 4  31  71  3  20  50  41  192  57    80 
20                                                     * 100 rain
21 1450  2  7 45 115 5  21  71  2  24  44 100  173  51    80 
22 1255  2  8 44 124 4  17  57  4  27  67 110  137  51    80 st.cirrus
23 2020  3  8 59 139 4  24  64  4  35  75  67  184  67    80 st.cirrus
24                                                     *     h.i.
25 2150  3  6 52 112 3  21  51  3  31  61  31  133  58    80 
26 1445  2  7 18  88 3  11  41  4   7  47  12   86  22    50 
27 1225  2  5  9  59 2   2  22  3   7  37   0   31  11    40 
28                                                     ! 100 rain
29 2025  3  6 43 103 4  30  70  2  13  33  13  181  48    80 
30 2155  3  7 32 102 4  22  62  3  10  40  29  111  36    90 st.cirrus
31 1505  3  7 30 100 5  23  73  2   7  27  16   92  34    60 st.cirrus

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                 Column Headings              ||Sunspots observation summary
                                              ||
UT:     UTC at middle of observation          ||
 Q:     Quality seeing                        ||   Year:  2025   Month: January
    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 = 107.82   cR =  40.47
SR:     Wolf Relative number South hemisphere ||
         Sg: South Groups,  Ss: South Spots   ||              NR =  60.12   SR =  47.71
cR:     Wolf Relative number Central          ||
CV:     Classification Value after Malde      ||              CV = 128.76   IS =  40.29
          for whole disc                      ||
IS:     Inter Sol index for whole disc        ||             Cld =  82.00%   Q =   2.65
 M:  !  Cloudy all day                        ||
     *  Cloudy at observation hours           ||The Sun has been observed 17 days on 31
     X  Impossible to make any observation    ||possible, 14 cloudy or w/health issues 
Cld:    Percentage of cloudy sky              ||days impede any kind of observation
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