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Sunspots Observation for 2021 June
1 Observer================================================================= Sunspots Observation 2021 JUNE *************************************************************************** Year: 2021 Month: June 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 1 1500 3 1 7 17 1 7 17 0 0 0 17 8 8 10 2 1620 3 2 8 28 1 6 16 1 2 12 16 13 10 0 3 1740 3 2 7 27 1 5 15 1 2 12 15 22 9 10 4 1410 3 2 8 28 1 4 14 1 4 14 0 19 10 80 st.cirrus 5 1510 3 2 6 26 1 2 12 1 4 14 14 18 8 10 6 2025 3 3 6 36 1 1 11 2 5 25 13 20 8 80 st.cirrus 7 1420 3 2 8 28 0 0 0 2 8 28 17 29 9 0 8 * 100 9 1425 3 1 4 14 0 0 0 1 4 14 0 25 5 10 10 1540 3 1 3 13 1 3 13 0 0 0 13 2 4 70 st.cirrus 11 * 100 12 2015 3 1 1 11 1 1 11 0 0 0 0 10 1 0 13 1300 3 1 1 11 1 1 11 0 0 0 0 10 1 0 14 1330 3 1 4 14 1 4 14 0 0 0 0 11 5 0 15 1250 3 1 1 11 1 1 11 0 0 0 0 10 1 0 16 1345 3 1 1 11 1 1 11 0 0 0 0 10 1 5 smog 17 1440 3 1 1 11 1 1 11 0 0 0 11 10 1 50 18 1715 3 1 1 11 1 1 11 0 0 0 11 10 1 60 st.cirrus 19 1335 3 1 4 14 1 4 14 0 0 0 14 10 5 40 st.cirrus 20 1340 3 1 3 13 1 3 13 0 0 0 13 11 4 0 haze 21 1245 3 1 1 11 1 1 11 0 0 0 0 10 1 0 st.cirrus 22 1435 3 1 1 11 1 1 11 0 0 0 0 10 1 10 st.cirrus 23 1440 2 1 1 11 1 1 11 0 0 0 0 10 1 0 st.cirrus 24 1325 3 1 1 11 1 1 11 0 0 0 0 10 1 20 smog 25 1430 3 1 3 13 0 0 0 1 3 13 0 2 4 0 26 1345 3 1 4 14 0 0 0 1 4 14 0 25 5 0 27 1440 3 2 8 28 0 0 0 2 8 28 0 30 10 80 28 1705 3 2 10 30 0 0 0 2 10 30 0 30 12 90 st.cirrus 29 1500 3 3 17 47 1 1 11 2 16 36 36 44 19 0 30 1330 3 3 15 45 1 1 11 2 14 34 34 62 17 0 *************************************************************************** Sunspots observation summary Year: 2021 Month: June OBSERVER: Igor Grágeda M. Astronomia Sigma Octante Monthly Mean R = 18.17 NR = 9.03 SR = 9.13 cR = 7.47 CV = 16.03 IS = 5.40 Q = 2.96 Cld = 27.50% The Sun has been observed 28 days on 30 possible. 2 cloudy day 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========================================================================