Sunspots Observation for 2015 December
Sunspots Observation 2015 DECEMBER
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Year: 2015
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 1940 3 2 10 30 2 10 30 0 0 0 12 29 12 40
2 1510 4 1 5 15 1 5 15 0 0 0 0 22 6 0
3 1440 4 3 8 38 2 6 26 1 2 12 0 30 11 0
4 1520 4 2 10 30 1 4 14 1 6 16 0 41 12 0
5 * 100
6 ! 100 RAin
7 1320 3 5 18 68 2 6 26 3 12 42 41 41 23 15 cirrus
8 1510 3 4 23 63 1 3 13 3 20 50 49 34 27 40 cirrus
9 1500 3 4 28 68 0 0 0 4 28 68 51 64 32 25
10 1310 3 6 25 85 0 0 0 6 25 85 71 69 31 30
11 1610 3 6 20 80 0 0 0 6 20 80 54 42 25 30
12 1540 4 6 31 91 1 6 16 5 25 75 32 51 36 0
13 1750 4 5 26 76 2 14 34 3 12 42 14 69 31 0
14 1930 3 3 20 50 2 17 37 1 3 13 13 58 23 80 cirrus
15 * 100 RAin
16 1650 3 3 22 52 2 13 33 1 9 19 31 46 25 80
17 1600 3 3 16 46 2 14 34 1 2 12 46 40 19 0
18 1520 4 3 18 48 2 14 34 1 4 14 34 37 21 5
19 ! 100 rAIn
20 1550 3 1 7 17 1 7 17 0 0 0 17 26 8 80 cirrus
21 * 100 rain
22 1430 3 3 23 53 2 12 32 1 11 21 0 106 26 25
23 * 100 rain
24 ! 100 rain
25 1710 3 2 25 45 1 4 14 1 21 31 45 30 27 80
26 1650 3 2 31 51 1 6 16 1 25 35 51 36 33 70
27 1910 3 2 35 55 1 8 18 1 27 37 55 45 37 50 cirrus
28 1350 3 2 37 57 1 10 20 1 27 37 57 45 39 15 cirrus
29 1410 3 2 21 41 1 2 12 1 19 29 41 33 23 40
30 1500 3 1 12 22 0 0 0 1 12 22 0 44 13 80 cirrus
31 1300 3 1 7 17 0 0 0 1 7 17 0 28 8 60 cirrus
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Sunspots observation summary
Year: 2015
Month: December
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 49.9
NR = 18.4 SR = 31.5 cR = 29.8
CV = 44.4 IS = 22.8
Q = 3.2 Cld = 49.8%
The Sun has been observed 24 days on 31 possible.
7 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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Report generated and Sent by: SOdb-ASO-gmc software (c)1999-v:2013
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