Sunspots Observation for 2012 December
Sunspots Observation 2012 DECEMBER
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Year: 2012
Month: December
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 1500 4 3 24 54 3 24 54 0 0 0 54 54 27 5
2 1540 3 3 20 50 3 20 50 0 0 0 50 60 23 100 cirrus
3 1720 3 3 17 47 3 17 47 0 0 0 28 36 20 30
4 * 100
5 1530 3 4 10 50 3 8 38 1 2 12 38 31 14 60
6 1430 3 2 9 29 2 9 29 0 0 0 0 17 11 15
7 1640 3 2 4 24 2 4 24 0 0 0 0 17 6 50 st. cirrus
8 ! 100 Rain
9 1650 3 2 19 39 2 19 39 0 0 0 39 53 21 75
10 1450 4 2 29 49 2 29 49 0 0 0 49 50 31 5
11 * 100
12 1640 2 3 24 54 3 24 54 0 0 0 37 57 27 80
13 1750 3 3 24 54 3 24 54 0 0 0 41 51 27 70
14 1820 2 2 18 38 2 18 38 0 0 0 0 56 20 90
15 1310 3 4 30 70 2 18 38 2 12 32 0 91 34 70
16 ! 100
17 1550 3 6 31 91 3 10 40 3 21 51 0 51 37 90
18 1500 3 5 27 77 2 5 25 3 22 52 21 41 31 60 cirrus
19 1400 3 3 19 49 1 4 14 2 15 35 35 46 22 40
20 1700 3 3 27 57 1 11 21 2 16 36 36 46 30 100 st. cirrus
21 ! 100 RAin
22 1440 3 4 39 79 1 13 23 3 26 56 79 65 43 70
23 1320 4 5 41 91 1 17 27 4 24 64 66 72 46 10 cirrus
24 1500 3 2 36 56 1 27 37 1 9 19 37 50 38 100 cirrus
25 1900 2 3 28 58 2 24 44 1 4 14 31 48 31 100 st.cirrus
26 ! 100 Rain
27 ! 100 rain
28 1320 3 4 20 60 3 13 43 1 7 17 14 49 24 20
29 ! 100 RAIn
30 1420 4 4 18 58 3 13 43 1 5 15 0 61 22 5
31 1230 4 7 46 116 5 38 88 2 8 28 51 91 53 0
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Sunspots observation summary
Year: 2012
Month: December
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 58.7
NR = 40.0 SR = 18.7 cR = 30.7
CV = 51.9 IS = 27.7
Q = 3.1 Cld = 66.0%
The Sun has been observed 23 days on 31 possible.
8 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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