Sunspots Observation for 2017 December
Sunspots Observation 2017 DECEMBER
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Year: 2017
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 1530 3 0 0 0 0 0 0 0 0 0 0 0 0 100 cirrus
2 1500 4 0 0 0 0 0 0 0 0 0 0 0 0 5
3 1550 3 0 0 0 0 0 0 0 0 0 0 0 0 30
4 * 100 rain
5 ! 100 RAIn
6 1520 2 1 3 13 1 3 13 0 0 0 13 7 4 100 st. cirrus
7 1540 3 0 0 0 0 0 0 0 0 0 0 0 0 5
8 ! 100 rain
9 1430 3 0 0 0 0 0 0 0 0 0 0 0 0 90
10 ! 100 RAIn
11 1640 3 1 4 14 0 0 0 1 4 14 0 13 5 85
12 1530 3 0 0 0 0 0 0 0 0 0 0 0 0 0
13 1540 4 0 0 0 0 0 0 0 0 0 0 0 0 5
14 1600 3 0 0 0 0 0 0 0 0 0 0 0 0 80
15 1850 3 0 0 0 0 0 0 0 0 0 0 0 0 20
16 1510 3 0 0 0 0 0 0 0 0 0 0 0 0 15
17 X
18 ! 100 RAin
19 1520 2 0 0 0 0 0 0 0 0 0 0 0 0 0
20 1450 4 1 9 19 1 9 19 0 0 0 0 28 10 5
21 1740 3 1 9 19 1 9 19 0 0 0 0 28 10 60
22 1710 3 1 16 26 1 16 26 0 0 0 26 34 17 70
23 1750 3 1 17 27 1 17 27 0 0 0 27 28 18 70
24 ! 100 rAin
25 1610 3 1 9 19 1 9 19 0 0 0 19 25 10 10
26 1550 3 1 10 20 1 10 20 0 0 0 0 25 11 5
27 * 100 rAin
28 1410 3 0 0 0 0 0 0 0 0 0 0 0 0 0
29 ! 100 raIn
30 1550 3 0 0 0 0 0 0 0 0 0 0 0 0 100 cirrus
31 1420 3 0 0 0 0 0 0 0 0 0 0 0 0 40
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Sunspots observation summary
Year: 2017
Month: December
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 7.1
NR = 6.5 SR = 0.6 cR = 3.9
CV = 8.5 IS = 3.9
Q = 3.0 Cld = 56.5%
The Sun has been observed 22 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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Report generated and Sent by: SOdb-ASO-gmc software (c)1999-v:2013
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