Sunspots Observation for 2022 March
1 Observer=================================================================
ASO : Sunspots Observation 2022 APRIL
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Year: 2022
Month: April
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 1820 3 6 37 97 3 19 49 3 18 48 37 192 41 70 st.cirrus
02 1530 3 5 27 77 3 13 43 2 14 34 34 146 31 30 st.cirrus
03 * 100 rain
04 1455 3 4 18 58 1 1 11 3 17 47 36 98 20 40
05 1505 3 5 19 69 1 1 11 4 18 58 0 79 22 30
06 1345 3 3 13 43 0 0 0 3 13 43 0 79 16 40 st.cirrus
07 1535 2 2 7 27 0 0 0 2 7 27 13 61 9 80
08 1350 2 2 6 26 0 0 0 2 6 26 0 16 8 70 st.cirrus
09 1705 2 0 0 0 0 0 0 0 0 0 0 0 0 60
10 1340 3 0 0 0 0 0 0 0 0 0 0 0 0 30
11 1400 3 0 0 0 0 0 0 0 0 0 0 0 0 40
12 1510 3 0 0 0 0 0 0 0 0 0 0 0 0 10 st.cirrus
13 1405 3 0 0 0 0 0 0 0 0 0 0 0 0 5 smog
14 1840 3 3 7 37 2 6 26 1 1 11 0 30 8 10
15 1815 3 3 7 37 2 6 26 1 1 11 15 36 8 10 smog
16 1415 2 5 9 59 4 8 48 1 1 11 15 110 10 20 st.cirrus
17 1600 2 5 23 73 3 19 49 2 4 24 17 64 27 20 st.cirrus
18 1800 3 4 23 63 3 22 52 1 1 11 26 120 26 0
19 1425 3 5 22 72 4 21 61 1 1 11 11 113 23 0 st.cirrus
20 1330 3 3 21 51 3 21 51 0 0 0 0 82 23 0 st.cirrus
21 1520 3 5 32 82 4 29 69 1 3 13 60 117 35 0 st.cirrus
22 X 0
23 1845 3 5 22 72 4 21 61 1 1 11 33 122 25 20 st.cirrus
24 2045 3 5 22 72 4 21 61 1 1 11 31 172 28 50 st.cirrus
25 1830 2 6 33 93 5 32 82 1 1 11 11 156 36 80 st.cirrus
26 X 0
27 1450 3 6 22 82 4 20 60 2 2 22 12 137 25 0 st.cirrus
28 2055 3 5 10 60 3 8 38 2 2 22 11 108 11 70 st.cirrus
29 * 100
30 1220 3 3 6 36 2 5 25 1 1 11 14 45 7 10 st.cirrus
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Sunspots observation summary
Year: 2022
Month: April
OBSERVER: Igor Grágeda M.
Astronomia Sigma Octante
Monthly Mean R = 49.46
NR = 31.65 SR = 17.81 cR = 14.46
CV = 80.12 IS = 16.88
Q = 2.77 Cld = 35.54%
The Sun has been observed 26 days on 30 possible.
2 cloudy days and 2 sick 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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