Sunspots Observation for 2018 February
Sunspots Observation 2018 FEBRUARY
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Year: 2018
Month: February
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 ! 100 RAin
2 ! 100 rAIn
3 1720 3 0 0 0 0 0 0 0 0 0 0 0 0 60
4 1410 3 0 0 0 0 0 0 0 0 0 0 0 0 80
5 1710 3 1 6 16 0 0 0 1 6 16 0 10 7 10
6 1510 3 1 11 21 0 0 0 1 11 21 0 25 12 25
7 ! 100 RaIN
8 ! 100 RaIN
9 1540 3 1 17 27 0 0 0 1 17 27 27 25 18 80
10 * 100 RaiN
11 1850 3 1 20 30 0 0 0 1 20 30 30 28 21 75
12 ! 100 RAIN
13 1750 3 1 17 27 0 0 0 1 17 27 0 28 18 90
14 ! 100 RAIn
15 1710 3 1 7 17 0 0 0 1 7 17 0 25 8 30
16 1730 3 1 3 13 0 0 0 1 3 13 0 10 4 85
17 1610 3 0 0 0 0 0 0 0 0 0 0 0 0 30
18 1540 4 0 0 0 0 0 0 0 0 0 0 0 0 0
19 1710 4 0 0 0 0 0 0 0 0 0 0 0 0 5
20 1550 3 0 0 0 0 0 0 0 0 0 0 0 0 10
21 ! 100 rAIn
22 1720 3 0 0 0 0 0 0 0 0 0 0 0 0 80
23 1630 4 0 0 0 0 0 0 0 0 0 0 0 0 5
24 1720 3 0 0 0 0 0 0 0 0 0 0 0 0 40
25 1700 3 0 0 0 0 0 0 0 0 0 0 0 0 70
26 1830 3 1 7 17 1 7 17 0 0 0 17 10 8 40
27 1610 3 1 6 16 1 6 16 0 0 0 16 10 7 60
28 1700 3 1 3 13 1 3 13 0 0 0 0 7 4 65
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Sunspots observation summary
Year: 2018
Month: February
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 9.8
NR = 2.3 SR = 7.5 cR = 4.5
CV = 8.9 IS = 5.3
Q = 3.1 Cld = 62.1%
The Sun has been observed 20 days on 28 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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