Sunspots Observation 2011 August
Year: 2011
Month: August
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 1600 3 4 64 104 4 64 104 0 0 0 93 117 67 60 cirrus
2 1820 4 3 46 76 3 46 76 0 0 0 61 112 49 0
3 1640 4 4 47 87 4 47 87 0 0 0 60 127 51 0
4 1530 3 5 51 101 4 50 90 1 1 11 38 117 55 100 cirrus
5 * 100
6 1700 3 4 55 95 3 39 69 1 16 26 26 101 59 40 cirrus
7 1620 3 4 48 88 2 32 52 2 16 36 57 107 52 100 cirrus
8 1700 3 3 32 62 2 27 47 1 5 15 39 91 35 30 cirrus
9 * 100
10 1600 4 3 9 39 3 9 39 0 0 0 24 18 12 0
11 1620 4 3 8 38 2 4 24 1 4 14 0 12 10 0
12 1720 4 3 8 38 2 6 26 1 2 12 12 7 11 0
13 1740 3 0 0 0 0 0 0 0 0 0 0 0 0 30 cirrus
14 1600 3 0 0 0 0 0 0 0 0 0 0 0 0 40 cirrus
15 1650 4 1 7 17 1 7 17 0 0 0 0 25 8 15 cirrus
16 1620 4 4 25 65 2 16 36 2 9 29 14 43 29 0
17 1840 3 4 25 65 2 15 35 2 10 30 16 73 29 25
18 1610 4 3 25 55 1 16 26 2 9 29 15 48 28 0
19 1900 4 3 19 49 2 17 37 1 2 12 23 39 22 0
20 1300 3 3 26 56 2 20 40 1 6 16 40 36 29 100 st. cirrus
21 1610 3 5 30 80 4 21 61 1 9 19 57 84 34 100 cirrus
22 1730 3 5 46 96 4 35 75 1 11 21 66 95 51 40 cirrus
23 1720 4 5 30 80 4 24 64 1 6 16 40 59 34 50 cirrus
24 1930 3 4 27 67 3 26 56 1 1 11 12 40 30 40 st. cirrus
25 1630 3 4 22 62 4 22 62 0 0 0 0 55 26 100 cirrus
26 1710 3 5 22 72 5 22 72 0 0 0 13 59 27 80 cirrus
27 1550 3 5 20 70 5 20 70 0 0 0 32 56 25 50 cirrus
28 1650 3 3 10 40 3 10 40 0 0 0 26 24 13 10
29 1710 4 4 17 57 3 13 43 1 4 14 43 34 21 10
30 1800 3 7 25 95 4 13 53 3 12 42 38 58 32 25
31 1530 3 7 46 116 5 27 77 2 19 39 48 136 53 10 cirrus
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Sunspots observation summary
Year: 2011
Month: August
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 64.5
NR = 51.0 SR = 13.5 cR = 30.8
CV = 61.1 IS = 30.8
Q = 3.4 Cld = 40.5%
The Sun has been observed 29 days on 31 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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