Sunspots Observation 2011 January
Year: 2011
Month: January
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 1430 3 3 15 45 2 9 29 1 6 16 0 48 18 80
2 1430 3 3 10 40 2 6 26 1 4 14 14 54 13 40
3 1400 4 3 14 44 2 5 25 1 9 19 19 48 16 5
4 1400 3 2 15 35 1 1 11 1 14 24 24 29 16 40
5 1410 3 2 11 31 1 1 11 1 10 20 20 29 12 20
6 1650 2 2 5 25 1 1 11 1 4 14 14 18 6 100 st. cirrus
7 1340 3 3 6 36 1 2 12 2 4 24 13 19 8 0
8 1620 3 3 5 35 1 2 12 2 3 23 12 18 7 60
9 1650 2 2 4 24 2 4 24 0 0 0 0 23 6 80
10 1600 3 2 3 23 2 3 23 0 0 0 0 11 4 40
11 1650 2 2 3 23 2 3 23 0 0 0 0 17 4 100 st. cirrus
12 1850 2 1 1 11 1 1 11 0 0 0 0 4 1 100 st. cirrus
13 1730 3 0 0 0 0 0 0 0 0 0 0 0 0 100 st. cirrus
14 1350 4 0 0 0 0 0 0 0 0 0 0 0 0 30 cirrus
15 1640 3 1 1 11 1 1 11 0 0 0 0 10 1 80 cirrus
16 1420 4 1 6 16 1 6 16 0 0 0 0 7 7 0
17 1600 3 1 2 12 1 2 12 0 0 0 0 7 3 100 st. cirrus
18 1930 3 3 11 41 2 6 26 1 5 15 0 28 14 90
19 1410 3 1 4 14 1 4 14 0 0 0 0 25 5 15
20 1710 3 1 5 15 1 5 15 0 0 0 0 28 6 80
21 ! 100
22 1420 3 2 12 32 2 12 32 0 0 0 20 32 14 90
23 ! 100 RaIN
24 1430 3 2 11 31 2 11 31 0 0 0 0 38 13 85
25 1740 3 2 12 32 2 12 32 0 0 0 0 36 14 100 cirrus
26 1430 3 2 6 26 2 6 26 0 0 0 0 20 8 75
27 1530 3 1 1 11 1 1 11 0 0 0 0 10 1 20
28 1410 3 1 1 11 0 0 0 1 1 11 0 1 1 30
29 ! 100 rain
30 1230 3 1 7 17 0 0 0 1 7 17 0 19 8 0
31 1310 3 1 12 22 0 0 0 1 12 22 0 25 13 15
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Sunspots observation summary
Year: 2011
Month: January
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 23.7
NR = 15.9 SR = 7.8 cR = 4.9
CV = 21.6 IS = 7.8
Q = 3.0 Cld = 60.5%
The Sun has been observed 28 days on 31 possible.
3 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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