ASO Solar Observations.

Sunspots Observation for 2026 September

1 Observer=================================================================

ASO : Sunspots Observation  2026 SEP ***************************************************************************************** Year:  2026 Month: September 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 1240 2 4 12 52 3 3 33 1 9 19 30 34 13 20 st.cirrus 02 1150 2 5 8 58 4 4 44 1 4 14 25 30 9 5 st.cirrus 03 X 0 on trip 04 1405 2 4 10 50 3 9 39 1 1 11 25 42 12 0 05 * 80 06 1520 2 6 13 73 5 12 62 1 1 11 40 59 15 50 st.cirrus 07 * 100 08 * 100 09 1515 2 6 9 69 4 7 47 2 2 22 36 55 10 90 st.cirrus 10 1530 2 6 10 70 4 8 48 2 2 22 59 55 11 80 st.cirrus 11 1605 2 6 12 72 4 10 50 2 2 22 33 69 13 30 st.cirrus 12 1500 3 7 13 83 5 10 60 2 3 23 48 54 16 20 13 1410 2 6 13 73 4 10 50 2 3 23 28 51 15 50 14 1315 3 4 4 44 3 3 33 1 1 11 0 22 4 0 15 1305 3 3 4 34 0 0 0 3 4 34 11 18 5 0 16 1255 2 2 2 22 0 0 0 2 2 22 0 20 2 10 st.cirrus 17 1740 2 1 1 11 0 0 0 1 1 11 0 10 1 80 18 1435 2 0 0 0 0 0 0 0 0 0 0 0 0 90 19 1205 3 0 0 0 0 0 0 0 0 0 0 0 0 50 20 1140 3 4 8 48 2 6 26 2 2 22 26 20 9 10 st.cirrus 21 1310 2 4 13 53 2 7 27 2 6 26 31 58 15 0 22 1215 2 7 19 89 4 11 51 3 8 38 55 106 24 10 st.cirrus 23 1115 2 7 34 104 3 19 49 4 15 55 51 72 39 0 24 1315 2 9 37 127 5 22 72 4 15 55 61 101 43 0 25 1450 2 6 17 77 3 9 39 3 8 38 22 46 20 0 26 1415 2 3 9 39 1 2 12 2 7 27 26 41 12 0 27 2150 2 2 11 31 2 11 31 0 0 0 0 20 12 10 st.cirrus 28 1204 2 1 3 13 1 3 13 0 0 0 0 5 4 0 29 1730 2 2 8 28 1 6 16 1 2 12 12 22 10 80 30 1840 2 2 8 28 1 5 15 1 3 13 0 23 10 90 ***************************************************************************************** Column Headings ||Sunspots observation summary || UT:     UTC at middle of observation || Q:     Quality seeing || Year:  2026 Month: September     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 = 51.85 cR = 23.81 SR:     Wolf Relative number South hemisphere ||          Sg: South Groups,  Ss: South Spots ||              NR =  31.42 SR =  20.42 cR:     Wolf Relative number Central || CV:     Classification Value after Malde ||              CV = 39.73 IS =  12.46 for whole disc || IS:     Inter Sol index for whole disc     ||             Cld =  36.38%  Q =   2.19 M:  ! Cloudy all day ||      *  Cloudy at observation hours ||The Sun has been observed 26 days on 30      X  Impossible to make any observation ||possible, 4 cloudy or w/health issues Cld:    Percentage of cloudy sky ||days impede any kind of observation end==========================================================================================