Sunspots Observation for 2022 May
1 Observer=================================================================
ASO : Sunspots Observation 2022 MAY
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Year: 2022
Month: May
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 1540 3 2 2 22 0 0 0 2 2 22 11 20 2 20
02 1535 3 3 7 37 0 0 0 3 7 37 15 31 8 10 st.cirrus
03 1315 2 3 11 41 0 0 0 3 11 41 30 39 12 70 st.cirrus
04 1325 3 4 17 57 0 0 0 4 17 57 24 61 18 40 st.cirrus
05 1105 3 4 18 58 0 0 0 4 18 58 25 73 19 0 st.cirrus
06 1340 3 3 17 47 0 0 0 3 17 47 0 43 19 0
07 1405 3 3 20 50 0 0 0 3 20 50 0 76 22 5 st.cirrus
08 1610 2 4 17 57 0 0 0 4 17 57 0 83 19 10
09 1610 3 3 13 43 0 0 0 3 13 43 16 26 15 20 st.cirrus
10 1420 3 2 22 42 0 0 0 2 22 42 21 36 24 20 st.cirrus
11 * 90
12 1440 3 3 24 54 1 3 13 2 21 41 30 49 27 10 st.cirrus
13 1330 3 5 40 90 1 3 13 4 37 77 56 110 44 0 st.cirrus
14 1545 3 5 40 90 2 9 29 3 31 61 25 116 45 10 st.cirrus
15 1510 2 5 41 91 3 10 40 2 31 51 28 108 46 30 st.cirrus
16 1415 3 5 42 92 2 14 34 3 28 58 20 111 46 0 st.cirrus
17 1415 2 5 36 86 2 16 36 3 20 50 50 93 41 0 st.cirrus
18 * 90
19 * 90
20 1435 3 4 25 65 3 21 51 1 4 14 65 82 29 90 st.cirrus
21 1755 3 5 33 83 3 27 57 2 6 26 57 109 37 20
22 X 100
23 1615 3 4 26 66 3 25 55 1 1 11 30 96 29 10 st.cirrus
24 1330 3 4 22 62 2 19 39 2 3 23 0 82 25 0 smog
25 * 90
26 1815 3 3 4 34 2 2 22 1 2 12 0 30 5 90 st.cirrus
27 1755 3 4 7 47 2 4 24 2 3 23 24 21 10 10
28 1345 2 2 3 23 0 0 0 2 3 23 0 20 4 0 st.cirrus
29 1400 3 2 3 23 0 0 0 2 3 23 12 17 4 0 st.cirrus
30 1355 3 4 11 51 2 8 28 2 3 23 12 34 13 0
31 ! 100 _
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Sunspots observation summary
Year: 2022
Month: May
OBSERVER: Igor Grágeda M.
Astronomia Sigma Octante
Monthly Mean R = 56.44
NR = 17.64 SR = 38.80 cR = 22.04
CV = 62.64 IS = 22.52
Q = 2.80 Cld = 30.83%
The Sun has been observed 25 days on 31 possible.
6 cloudy days impede observe the Sun
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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
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