Sunspots Observation for 2015 February
Sunspots Observation 2015 FEBRUARY
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Year: 2015
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 1330 4 6 52 112 4 37 77 2 15 35 43 116 58 0
2 1420 4 5 51 101 2 34 54 3 17 47 54 131 56 5
3 1650 2 4 43 83 2 30 50 2 13 33 50 82 46 100 st. cirrus
4 1940 3 4 50 90 3 39 69 1 11 21 74 89 54 100 st.cirrus
5 * 100
6 ! 100 RAin
7 1440 3 5 53 103 3 23 53 2 30 50 50 66 58 70
8 1350 4 5 48 98 4 20 60 1 28 38 59 72 53 5
9 1500 3 5 46 96 4 31 71 1 15 25 53 99 51 80
10 ! 100 rain
11 ! 100 raiN
12 1630 3 4 15 55 3 13 43 1 2 12 43 34 19 80
13 1440 3 4 18 58 3 17 47 1 1 11 34 43 21 35
14 ! 100 rain
15 1400 3 5 24 74 3 12 42 2 12 32 63 53 28 25
16 1400 3 4 18 58 2 11 31 2 7 27 27 28 22 100 st. cirrus
17 ! 100
18 1420 4 7 26 96 4 14 54 3 12 42 0 67 32 0
19 1530 4 6 32 92 4 22 62 2 10 30 22 81 37 0
20 * 100 raIn
21 1350 3 3 18 48 3 18 48 0 0 0 34 48 21 50
22 1640 3 2 11 31 2 11 31 0 0 0 0 29 13 65
23 ! 100 RAIn
24 1640 3 1 15 25 1 15 25 0 0 0 25 19 16 15
25 1240 4 3 12 42 2 10 30 1 2 12 0 27 15 0
26 1540 3 4 18 58 2 12 32 2 6 26 26 34 21 15
27 1720 2 3 27 57 2 16 36 1 11 21 21 57 30 75
28 1420 3 4 36 76 2 20 40 2 16 36 64 58 40 80 cirrus
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Sunspots observation summary
Year: 2015
Month: February
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 72.7
NR = 47.8 SR = 24.9 cR = 37.1
CV = 61.6 IS = 34.5
Q = 3.2 Cld = 60.7%
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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