Sunspots Observation for 2024 April
1 Observer=================================================================
ASO : SSunspots Observation 2024 APRIL
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Year: 2024 Month: April
OBSERVER: Igor Grágeda Méndez
Astronomia Sigma Octante
Instr.: RFR
Fl: 1000mm Aperture: 90mm Ocular: 20mm
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 1735 3 0 0 0 0 0 0 0 0 0 0 0 0 10
03 1300 3 1 1 11 1 1 11 0 0 0 0 10 1 5 st.cirrus
04 1250 3 3 3 33 3 3 33 0 0 0 11 15 3 10
05 * 100
06 1545 2 5 12 62 3 10 40 2 2 22 0 25 14 40 st.cirrus
07 1555 2 5 23 73 4 18 58 1 5 15 12 50 28 40 st.cirrus
08 1820 3 5 17 67 4 12 52 1 5 15 15 82 20 50 st.cirrus
09 * 100
10 1620 2 3 9 39 2 4 24 1 5 15 27 70 12 80 st.cirrus
11 1810 3 5 26 76 3 21 51 2 5 25 12 98 31 30
12 * 100
13 * 100
14 1945 2 9 46 136 6 37 97 3 9 39 32 143 51 90 st.cirrus
15 1550 3 8 33 113 5 28 78 3 5 35 31 122 38 5
16 1615 3 9 64 154 5 35 85 4 29 69 27 223 70 10
17 2020 2 11 64 174 5 28 78 6 36 96 85 197 72 90 st.cirrus
18 1525 2 11 69 179 6 25 85 5 44 94 107 230 79 60 st.cirrus
19 1405 3 12 84 204 6 32 92 6 52 112 156 243 94 10
20 1050 3 14 87 227 7 26 96 7 61 131 142 271 99 0
21 1225 2 12 95 215 6 38 98 6 57 117 118 260 103 10 st.cirrus
22 1305 2 12 87 207 5 39 89 7 48 118 74 285 95 30
23 1210 2 14 91 231 6 38 98 8 53 133 76 279 102 5
24 1950 2 13 77 207 7 25 95 6 52 112 92 249 88 90 st.cirrus
25 1505 2 11 67 177 5 32 82 6 35 95 62 179 74 80 st.cirrus
26 1850 2 7 36 106 4 18 58 3 18 48 35 120 41 40
27 1530 3 9 32 122 5 8 58 4 24 64 37 92 36 0
28 1220 2 7 23 93 4 7 47 3 16 46 35 88 25 0 st.cirrus
29 1230 2 6 27 87 3 3 33 3 24 54 0 89 28 0 st.cirrus
30 1530 2 5 25 75 3 8 38 2 17 37 0 80 27 10 st.cirrus
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Column Headings ||Sunspots observation summary
||
UT: UTC at middle of observation ||
Q: Quality seeing || Year: 2024 Month: April
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 = 122.72 cR = 47.44
SR: Wolf Relative number South hemisphere ||
Sg: South Groups, Ss: South Spots || NR = 63.04 SR = 59.68
cR: Wolf Relative number Central ||
CV: Classification Value after Malde || CV = 140.00 IS = 49.24
for whole disc ||
IS: Inter Sol index for whole disc || Cld = 43.17% Q = 2.40
M: ! Cloudy all day ||
* Cloudy at observation hours ||The Sun has been observed 25 days on 30
X Impossible to make any observation ||possible, 5 cloudy or w/health issues
Cld: Percentage of cloudy sky ||days impede any kind of observation
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