Sunspots Observation 2011 September
Year: 2011
Month: September
OBSERVER: German Morales C.
Astronomia Sigma Octante
Instr.: SCT
Fl: 2000mm Aperture: 200mm Aperture stop used: 90mm
Method: Projection Image diameter: 140mm
Day UT Q g s R Ng Ns NR Sg Ss SR cR CV IS M Cld Remarks
1 1620 4 6 61 121 5 45 95 1 16 26 54 108 66 0
2 1720 4 8 60 140 7 50 120 1 10 20 36 83 68 0
3 1600 4 8 58 138 6 42 102 2 16 36 59 74 65 0
4 1620 4 5 45 95 3 34 64 2 11 31 41 74 49 0
5 1630 4 5 40 90 3 33 63 2 7 27 38 81 45 0
6 1730 3 3 24 54 2 23 43 1 1 11 29 63 26 0
7 1830 3 3 25 55 2 21 41 1 4 14 24 30 28 0
8 X
9 1920 3 5 34 84 3 18 48 2 16 36 15 74 39 30 cirrus
10 1750 3 4 27 67 2 17 37 2 10 30 16 70 31 60 cirrus
11 1750 4 6 28 88 4 15 55 2 13 33 37 51 34 0
12 1630 4 8 34 114 5 20 70 3 14 44 31 84 41 0
13 1700 3 7 45 115 4 24 64 3 21 51 55 96 52 100 cirrus
14 1600 3 9 54 144 6 33 93 3 21 51 48 119 63 80 cirrus
15 1540 3 11 77 187 7 57 127 4 20 60 28 206 88 20 cirrus
16 1730 3 9 57 147 6 43 103 3 14 44 59 114 66 30
17 1740 3 7 50 120 5 37 87 2 13 33 78 100 57 15
18 1730 3 8 65 145 6 50 110 2 15 35 87 107 73 60
19 1820 3 5 61 111 4 49 89 1 12 22 54 86 66 20
20 2030 3 5 34 84 4 29 69 1 5 15 12 77 39 40
21 1720 3 4 34 74 3 31 61 1 3 13 0 49 38 5
22 1840 3 4 33 73 3 31 61 1 2 12 35 103 37 25
23 ! 100 rain
24 ! 100 raIN
25 1530 3 6 52 112 5 45 95 1 7 17 82 130 58 30
26 1530 3 6 50 110 6 50 110 0 0 0 86 115 56 5
27 1740 3 6 34 94 6 34 94 0 0 0 43 82 40 20
28 1610 3 5 31 81 5 31 81 0 0 0 45 78 35 0
29 1530 3 7 56 126 7 56 126 0 0 0 63 84 63 0
30 1720 3 5 33 83 5 33 83 0 0 0 54 76 37 30
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Sunspots observation summary
Year: 2011
Month: September
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 105.6
NR = 81.1 SR = 24.5 cR = 44.8
CV = 89.4 IS = 50.4
Q = 3.3 Cld = 26.6%
The Sun has been observed 27 days on 30 possible.
2 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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