Sunspots Observation for 2026 May

1 Observer=================================================================
ASO : Sunspots Observation  2026  MAY
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Year:  2026    Month: May

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 1915  2  8 37 117  6 22  82  2 15  35  14   97  42    80 st.cirrus
03 1355  3  7 43 113  3  6  36  4 37  77  40  104  48    10 
04 1935  2  8 40 120  5 20  70  3 20  50  53  113  46    60 st.cirrus
05                                                    * 100 
06                                                    * 100 
07 1415  2  4 18  58  2  7  27  2 11  31  47   62  21    20 st.cirrus
08 1335  2  5 22  72  3 16  46  2  6  26  50   60  24    40 st.cirrus
09 1415  2  5 27  77  3 21  51  2  6  26  26   70  30    10 
10                                                    * 100 
11 1810  2  5 25  75  3 23  53  2  2  22   0   96  27     90 st.cirrus
12                                                    ! 100 
13 1545  3  4 13  53  3 12  42  1  1  11  18   38  15    20 
14                                                    * 100 
15 1445  3  3 14  44  3 14  44  0  0   0  17   37  16    10 st.cirrus
16 1450  3  4 12  52  4 12  52  0  0   0  16   38  14    10 st.cirrus
17 1345  3  6 20  80  4 14  54  2  6  26  15   71  24     0 
18                                                    * 100 
19 1245  2  5 15  65  4 14  54  1  1  11  32   41  16     0 
20 1430  2  4 21  61  3 20  50  1  1  11  36   44  24    40 st.cirrus
21 1310  2  5 23  73  2 16  36  3  7  37  28   60  26    40 st.cirrus
22                                                    * 100 
23 1455  3  6 20  80  2 10  30  4 10  50  26   77  23    60 
24 1400  3  6 24  84  2  6  26  4 18  58  32   99  28    80 st.cirrus
25 1410  3  8 28 108  1  1  11  7 27  97  31   77  32    30 
26 1340  3  9 34 124  2  3  23  7 31 101  60  124  39    20 
27                                                    * 100 
28 1445  2 10 51 151  4 19  59  6 32  92  99  166  56    20 
29 1435  3  8 43 123  4 22  62  4 21  61  48  143  47    20 
30 1255  3 10 27 127  4 14  54  6 13  73  75  109  31     0 
31 1440  2  8 20 100  2  9  29  6 11  71  66  109  23    90 st.cirrus

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                 Column Headings              ||Sunspots observation summary
                                              ||
UT:     UTC at middle of observation          ||
 Q:     Quality seeing                        ||   Year:  2026   Month: May
    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 =  88.95   cR =  37.68
SR:     Wolf Relative number South hemisphere ||
         Sg: South Groups,  Ss: South Spots   ||              NR =  45.05   SR =  43.91
cR:     Wolf Relative number Central          ||
CV:     Classification Value after Malde      ||              CV =  83.41   IS =  29.64
          for whole disc                      ||
IS:     Inter Sol index for whole disc        ||             Cld =  53.23%   Q =   2.50
 M:  !  Cloudy all day                        ||
     *  Cloudy at observation hours           ||The Sun has been observed 22 days on 31
     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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