Sunspots Observation 2012 March
Year: 2012
Month: March
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 8 38 2 7 27 1 1 11 38 18 10 20
2 2030 3 2 4 24 2 4 24 0 0 0 12 14 6 100 st. cirrus
3 1340 3 4 23 63 3 15 45 1 8 18 0 73 27 10
4 1650 3 5 47 97 4 34 74 1 13 23 0 111 52 80
5 1240 3 5 52 102 3 28 58 2 24 44 26 128 57 15
6 1930 3 4 64 104 2 44 64 2 20 40 49 112 68 80
7 ! 100 RAin
8 1830 3 4 51 91 3 39 69 1 12 22 91 92 55 75
9 2040 3 4 71 111 3 52 82 1 19 29 73 98 75 30
10 1240 4 4 55 95 3 43 73 1 12 22 36 113 59 0
11 1540 3 6 55 115 4 45 85 2 10 30 0 85 61 15
12 1440 3 6 47 107 4 40 80 2 7 27 0 88 53 60 cirrus
13 1310 3 4 34 74 3 30 60 1 4 14 20 80 38 20
14 2050 3 4 37 77 3 35 65 1 2 12 57 70 41 90 st. cirrus
15 1630 3 4 25 65 2 20 40 2 5 25 65 46 29 75
16 1740 3 5 23 73 3 15 45 2 8 28 47 50 28 5
17 1640 3 3 22 52 1 6 16 2 16 36 33 36 25 0
18 1220 3 3 18 48 1 2 12 2 16 36 12 54 21 0
19 1300 3 5 23 73 3 7 37 2 16 36 0 69 28 0
20 ! 100
21 1300 4 5 23 73 1 2 12 4 21 61 22 56 28 0
22 1500 3 3 10 40 0 0 0 3 10 40 0 33 12 100 cirrus
23 ! 100
24 1250 3 3 10 40 0 0 0 3 10 40 12 27 13 75
25 1520 4 5 30 80 2 15 35 3 15 45 37 68 35 0
26 1410 4 6 31 91 2 15 35 4 16 56 47 66 37 0
27 ! 100 RAIN
28 1720 3 5 27 77 1 9 19 4 18 58 49 62 32 40
29 1600 4 8 42 122 3 13 43 5 29 79 60 80 50 30
30 1930 3 4 20 60 1 9 19 3 11 41 28 55 24 50
31 1320 3 5 25 75 2 13 33 3 12 42 24 74 30 20
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Sunspots observation summary
Year: 2012
Month: March
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 76.6
NR = 42.7 SR = 33.9 cR = 31.0
CV = 68.8 IS = 36.8
Q = 3.2 Cld = 44.8%
The Sun has been observed 27 days on 31 possible.
4 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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