Sunspots Observation for 2025 October

1 Observer=================================================================
ASO : : Sunspots Observation  2025  OCT
*****************************************************************************************

Year:  2025    Month: October

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                                                    * 100 
02 1850  3  9 62 152  7 49 119  2 13  33 108  208  67    30 st.cirrus
03 1515  2  9 51 141  7 46 116  2  5  25 116  176  57    30 st.cirrus
04 1445  3  7 45 115  6 40 100  1  5  15  55  162  50    20 
05 1400  3  7 49 119  5 37  87  2 12  32  55  139  54     0 
06                                                    * 100 
07                                                    * 100 
08 1435  2  5 10  60  4  5  45  1  5  15  26   42  12    10 st.cirrus
09                                                    * 100 
10 1410  2  5 14  64  2  6  26  3  8  38  16   44  16    10 st.cirrus
11 1335  2  7 28  98  3 21  51  4  7  47  33   75  32    10 st.cirrus
12 1215  3  6 41 101  4 34  74  2  7  27  63   92  45     0 
13                                                    ! 100 
14 1415  3  6 39  99  5 38  88  1  1  11  25  128  41    80 st.cirrus
15 1350  2  5 48  98  4 43  83  1  5  15  29  128  51    40 st.cirrus
16 1430  2  7 48 118  3 41  71  4  7  47  64  127  51    60 st.cirrus
17 1445  3  7 41 111  4 37  77  3  4  34  12  136  44    40 
18                                                    * 100 
19 1450  2  8 16  96  2  6  26  6 10  70  22   94  19    80 st.cirrus
20 2005  2  9 16 106  2  3  23  7 13  83  25   77  20    90 
21 1235  3  9 15 105  4  6  46  5  9  59  48   76  17    10 
22 2115  2  9 14 104  3  3  33  6 11  71  38   63  15    30 
23 1500  2  7 12  82  3  3  33  4  9  49  27   59  13    30 
24 1400  3  7 17  87  3  7  37  4 10  50  49   72  20    10 st.cirrus
25 1120  3  8 19  99  3  7  37  5 12  62  53   96  22    40 st.cirrus
26 1145  2  7 14  84  3  6  36  4  8  48  25   63  16    30 
27 1430  3  7 14  84  3  7  37  4  7  47  48   57  16    20 
28 1940  2  8 15  95  3  7  37  5  8  58  61   67  20    50 
29 1935  3  6 16  76  3  9  39  3  7  37  30   73  19    70 
30 1515  2  6 10  70  2  6  26  4  4  44  48   46  12    70 st.cirrus
31 1405  3  5  6  56  2  3  23  3  3  33  22   15  10    20 

*****************************************************************************************
                 Column Headings              ||Sunspots observation summary
                                              ||
UT:     UTC at middle of observation          ||
 Q:     Quality seeing                        ||   Year:  2025   Month: October
    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 =  96.80   cR =  43.92
SR:     Wolf Relative number South hemisphere ||
         Sg: South Groups,  Ss: South Spots   ||              NR =  54.80   SR =  42.00
cR:     Wolf Relative number Central          ||
CV:     Classification Value after Malde      ||              CV =  92.60   IS =  29.56
          for whole disc                      ||
IS:     Inter Sol index for whole disc        ||             Cld =  47.74%   Q =   2.48
 M:  !  Cloudy all day                        ||
     *  Cloudy at observation hours           ||The Sun has been observed 25 days on 31
     X  Impossible to make any observation    ||possible, 6 cloudy or w/health issues 
Cld:    Percentage of cloudy sky              ||days impede any kind of observation
end==========================================================================================