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Sunspots Observation for 2021 August
1 Observer================================================================= Sunspots Observation 2021 AUGUST *************************************************************************** Year: 2021 Month: August OBSERVER: Igor Grágeda M. Astronomia Sigma Octante Instr.: RFR Fl: 600mm Aperture: 90mm 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 rain 02 1330 3 1 2 12 0 0 0 1 2 12 0 2 3 20 03 1415 3 1 3 13 0 0 0 1 3 13 0 5 4 0 st.cirrus 04 * 100 05 1240 2 0 0 0 0 0 0 0 0 0 0 0 0 0 06 1230 3 0 0 0 0 0 0 0 0 0 0 0 0 0 07 1255 3 0 0 0 0 0 0 0 0 0 0 0 0 0 08 1335 3 0 0 0 0 0 0 0 0 0 0 0 0 0 09 1325 3 0 0 0 0 0 0 0 0 0 0 0 0 0 10 1310 2 0 0 0 0 0 0 0 0 0 0 0 0 0 11 1340 3 0 0 0 0 0 0 0 0 0 0 0 0 0 12 1350 3 0 0 0 0 0 0 0 0 0 0 0 0 0 13 1600 3 0 0 0 0 0 0 0 0 0 0 0 0 0 14 1400 3 0 0 0 0 0 0 0 0 0 0 0 0 0 haze 15 1350 3 0 0 0 0 0 0 0 0 0 0 0 0 0 st.cirrus 16 1705 3 1 4 14 1 4 14 0 0 0 14 19 5 10 17 1645 3 1 3 13 1 3 13 0 0 0 0 11 4 5 18 1330 3 1 1 11 1 1 11 0 0 0 0 1 1 0 19 1345 3 1 4 14 1 4 14 0 0 0 14 5 5 0 20 1415 3 0 0 0 0 0 0 0 0 0 0 0 0 0 21 1740 3 1 3 13 1 3 13 0 0 0 0 8 5 50 haze 22 1410 3 1 6 16 1 6 16 0 0 0 0 8 7 0 haze 23 1945 3 1 4 14 1 4 14 0 0 0 0 8 5 10 24 1335 3 1 4 14 1 4 14 0 0 0 0 8 5 30 haze 25 1510 3 2 13 33 1 5 15 1 8 18 15 16 15 50 26 1250 2 2 11 31 1 2 12 1 9 19 12 30 13 40 27 1335 3 2 15 35 1 4 14 1 11 21 14 57 17 40 haze 28 1435 3 2 20 40 1 3 13 1 17 27 13 67 22 70 st.cirrus 29 1320 3 2 16 36 1 1 11 1 15 25 11 66 17 80 st.cirrus 30 1355 3 2 15 35 1 1 11 1 14 24 0 57 15 20 31 1240 3 2 13 33 1 1 11 1 12 22 0 48 14 0 haze *************************************************************************** Sunspots observation summary Year: 2021 Month: August OBSERVER: Igor Grágeda M. Astronomia Sigma Octante Monthly Mean R = 13.00 NR = 6.76 SR = 6.24 cR = 3.21 CV = 14.34 IS = 5.41 Q = 2.90 Cld = 20.16% The Sun has been observed 29 days on 31 possible. 2 cloudy days impede observe the Sun *************************************************************************** Column Headings UT: UTC at middle of observation Q: Quality seeing 1 Bad, 2 Poor, 3 Fair, 4 Good, 5 Excelent R: Wolf relative number for whole disc g: Total Groups, s: Total Spots NR: Wolf Relative number North hemisphere Ng: North Groups, Ns: North Spots SR: Wolf Relative number South hemisphere Sg: South Groups, Ss: South Spots cR: Wolf Relative number Central CV: Classification Value after Malde for whole disc IS: Inter Sol index for whole disc M: ! Cloudy all day * Cloudy at observation hours X Impossible to make any kind of observation Cld: Percentage of cloudy sky *************************************************************************** end========================================================================