Last Solar Report
(último Informe Solar)
1 Observer=============================================================================
ASO : : Sunspots Observation 2025 APR
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Year: 2025 Month: April
OBSERVER: Igor Grágeda Méndez
Astronomia Sigma Octante
Instr.: RFR
Fl: 1000mm Aperture: 90mm Ocular: 25mm
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 1440 2 8 52 132 3 19 49 5 33 83 74 157 58 70 st.cirrus
03 1445 2 7 48 118 4 16 56 3 32 62 74 178 55 40
04 * 0 h.i.
05 * 0 h.i.
06 1340 3 8 38 118 4 4 44 4 34 74 48 127 41 30
07 1340 3 9 46 136 4 6 46 5 40 90 68 135 50 0 st.cirrus
08 1415 3 8 38 118 3 5 35 5 33 83 34 111 42 30
09 1445 2 7 39 109 4 16 56 3 23 53 34 100 43 80 st.cirrus
10 1425 3 7 35 105 3 20 50 4 15 55 32 110 40 20
11 1720 2 6 31 91 4 28 68 2 3 23 11 96 35 80 st.cirrus
12 1400 3 6 39 99 4 36 76 2 3 23 27 146 44 40
13 1445 2 4 22 62 3 21 51 1 1 11 41 96 25 30
14 1740 2 5 17 67 3 15 45 2 2 22 34 41 18 40 st.cirrus
15 1435 2 5 17 67 2 8 28 3 9 39 24 100 20 20
16 1430 2 4 19 59 3 18 48 1 1 11 19 97 21 40 st.cirrus
17 1415 2 7 34 104 5 32 82 2 2 22 16 102 38 30 st.cirrus
18 1325 2 7 31 101 5 29 79 2 2 22 19 127 35 10 st.cirrus
19 * 100
20 ! 100 h.i.
21 1410 2 8 38 118 5 28 78 3 10 40 56 138 41 60 st.cirrus
22 * 100
23 * 100
24 1710 3 10 40 140 6 36 96 4 4 44 34 186 45 10 st.cirrus
25 1555 3 12 40 160 5 19 69 7 21 91 54 195 46 20 st.cirrus
26 1840 2 10 22 122 3 6 36 7 16 86 42 103 27 40 st.cirrus
27 * 100
28 1830 2 8 31 111 3 11 41 5 20 70 42 95 34 50 st.cirrus
29 1415 2 7 33 103 3 13 43 4 20 60 41 116 36 70 st.cirrus
30 1235 3 5 27 77 3 13 43 2 14 34 29 111 30 0
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Column Headings ||Sunspots observation summary
||
UT: UTC at middle of observation ||
Q: Quality seeing || Year: 2025 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 = 105.32 cR = 38.77
SR: Wolf Relative number South hemisphere ||
Sg: South Groups, Ss: South Spots || NR = 55.41 SR = 49.91
cR: Wolf Relative number Central ||
CV: Classification Value after Malde || CV = 121.23 IS = 37.45
for whole disc ||
IS: Inter Sol index for whole disc || Cld = 50.36% Q = 2.36
M: ! Cloudy all day ||
* Cloudy at observation hours ||The Sun has been observed 22 days on 30
X Impossible to make any observation ||possible, 8 cloudy or w/health issues
Cld: Percentage of cloudy sky ||days impede any kind of observation
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