Last Solar Report
(último Informe Solar)
1 Observer=============================================================================
ASO : Sunspots Observation 2026 APR
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Year: 2026 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 1330 3 10 40 140 7 26 96 3 14 44 91 147 46 0
02 1330 3 9 30 120 7 19 89 2 11 31 76 134 35 10
03 1315 3 8 35 115 5 22 72 3 13 43 70 87 39 20
04 1420 3 7 30 100 5 19 69 2 11 31 56 78 32 40 st.cirrus
05 2125 3 5 28 78 4 21 61 1 7 17 39 73 30 50 st.cirrus
06 1340 3 6 25 85 5 21 71 1 4 14 15 84 28 10
07 1310 3 5 16 66 4 13 53 1 3 13 11 64 18 20 st.cirrus
08 1455 2 6 13 73 4 11 51 2 2 22 11 44 15 40 st.cirrus
09 X 0 h.i.
10 X 0 h.i.
11 X 0 h.i.
12 X 0 h.i.
13 X 0 h.i.
14 X 0 h.i.
15 1235 3 3 15 45 2 14 34 1 1 11 11 43 17 10 st.cirrus
16 2015 2 3 15 45 2 14 34 1 1 11 0 67 16 95 st.cirrus
17 1435 2 3 18 48 2 17 37 1 1 11 26 67 19 10
18 1350 3 2 15 35 1 14 24 1 1 11 24 57 16 10
19 1415 3 2 17 37 1 16 26 1 1 11 26 57 18 40 st.cirrus
20 * 100
21 1320 3 4 14 54 3 13 43 1 1 11 12 87 17 30
22 * 100
23 1520 2 4 21 61 3 20 50 1 1 11 0 88 24 60 st.cirrus
24 1315 2 5 35 85 3 26 56 2 9 29 38 113 39 20 st.cirrus
25 1330 2 6 33 93 3 21 51 3 12 42 50 125 37 70 st.cirrus
26 1310 3 7 46 116 5 43 93 2 3 23 56 135 50 0
27 * 100
28 * 100
29 1340 2 5 59 109 3 47 77 2 12 32 66 163 64 60 st.cirrus
30 1455 2 8 36 116 6 27 87 2 9 29 38 113 41 70 st.cirrus
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Column Headings ||Sunspots observation summary
||
UT: UTC at middle of observation ||
Q: Quality seeing || Year: 2026 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 = 81.05 cR = 35.80
SR: Wolf Relative number South hemisphere ||
Sg: South Groups, Ss: South Spots || NR = 58.70 SR = 22.35
cR: Wolf Relative number Central ||
CV: Classification Value after Malde || CV = 91.30 IS = 30.05
for whole disc ||
IS: Inter Sol index for whole disc || Cld = 44.38% Q = 2.60
M: ! Cloudy all day ||
* Cloudy at observation hours ||The Sun has been observed 20 days on 30
X Impossible to make any observation ||possible, 10 cloudy or w/health issues
Cld: Percentage of cloudy sky ||days impede any kind of observation
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