Sunspots Observation for 2017 September
Sunspots Observation 2017 SEPTEMBER
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Year: 2017
Month: September
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 1750 4 3 28 58 1 20 30 2 8 28 0 77 31 0
2 1740 4 5 42 92 1 18 28 4 24 64 60 103 47 0
3 1740 4 5 65 115 2 32 52 3 33 63 70 130 70 0
4 1700 3 5 61 111 2 24 44 3 37 67 73 112 65 20
5 1800 3 5 77 127 3 39 69 2 38 58 88 113 82 60
6 1730 3 4 73 113 3 39 69 1 34 44 49 130 77 20
7 1640 3 4 65 105 3 34 64 1 31 41 64 127 69 20
8 1800 3 4 55 95 3 34 64 1 21 31 38 142 59 25
9 1750 3 4 30 70 3 16 46 1 14 24 16 127 34 50
10 1830 3 2 10 30 2 10 30 0 0 0 0 52 12 30
11 1740 3 2 6 26 2 6 26 0 0 0 0 17 8 80
12 * 100
13 1840 3 1 2 12 1 2 12 0 0 0 12 10 3 50
14 1710 3 1 2 12 1 2 12 0 0 0 12 10 3 80
15 1830 3 1 2 12 1 2 12 0 0 0 12 10 3 85
16 1740 3 1 6 16 1 6 16 0 0 0 16 10 7 80
17 1810 3 1 4 14 1 4 14 0 0 0 14 10 5 30
18 1750 3 1 4 14 1 4 14 0 0 0 0 10 5 0
19 1630 3 1 2 12 1 2 12 0 0 0 0 10 3 0
20 1730 4 1 4 14 1 4 14 0 0 0 0 10 5 0
21 1610 3 2 4 24 1 2 12 1 2 12 0 17 6 5
22 1750 3 1 2 12 0 0 0 1 2 12 0 10 3 30
23 ! 100
24 1620 3 2 5 25 1 3 13 1 2 12 12 20 7 0
25 1550 3 3 15 45 1 5 15 2 10 30 18 30 18 0
26 1540 3 3 11 41 1 4 14 2 7 27 15 30 14 20
27 1530 3 3 10 40 1 2 12 2 8 28 14 30 13 15
28 1710 3 3 12 42 1 4 14 2 8 28 15 45 15 15
29 1630 4 3 15 45 1 4 14 2 11 31 33 45 18 0
30 1530 4 4 17 57 2 9 29 2 8 28 45 43 21 0
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Sunspots observation summary
Year: 2017
Month: September
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 49.2
NR = 26.8 SR = 22.4 cR = 24.1
CV = 52.9 IS = 25.1
Q = 3.2 Cld = 30.5%
The Sun has been observed 28 days on 30 possible.
2 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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