Sunspots Observation for 2021 February
2 Observers================================================================
Sunspots Observation 2021 FEBRUARY
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Year: 2021
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 1420 4 1 1 11 1 1 11 0 0 0 0 4 1 5
2 * 100
3 * 100 Rain
4 2000 3 0 0 0 0 0 0 0 0 0 0 0 0 0 RAin
5 1410 3 0 0 0 0 0 0 0 0 0 0 0 0 20
6 1520 3 0 0 0 0 0 0 0 0 0 0 0 0 10
7 1450 3 0 0 0 0 0 0 0 0 0 0 0 0 15
8 1640 3 0 0 0 0 0 0 0 0 0 0 0 0 25 rAin
9 1400 3 0 0 0 0 0 0 0 0 0 0 0 0 10 raiN
10 1430 3 0 0 0 0 0 0 0 0 0 0 0 0 70 raiN
11 1710 2 0 0 0 0 0 0 0 0 0 0 0 0 90 rAiN
12 1420 3 0 0 0 0 0 0 0 0 0 0 0 0 30 Rain
13 1720 3 0 0 0 0 0 0 0 0 0 0 0 0 10
14 1510 3 0 0 0 0 0 0 0 0 0 0 0 0 5
15 1650 3 0 0 0 0 0 0 0 0 0 0 0 0 25 RaiN
16 1330 3 0 0 0 0 0 0 0 0 0 0 0 0 30
17 ! 100 raIN
18 ! 100
19 1410 3 0 0 0 0 0 0 0 0 0 0 0 0 10 RAin
20 1640 3 1 2 12 1 2 12 0 0 0 0 10 3 40
21 1620 2 1 1 11 1 1 11 0 0 0 0 4 1 100 st. cirrus
22 1430 3 2 12 32 1 8 18 1 4 14 32 32 14 20 cirrus
23 1350 3 2 23 43 1 11 21 1 12 22 43 32 25 5
24 1410 3 2 25 45 1 17 27 1 8 18 18 32 27 40
25 1410 3 2 13 33 1 11 21 1 2 12 0 29 15 5
26 1900 2 1 6 16 1 6 16 0 0 0 0 25 7 100 st.cirrus rA
27 1800 3 1 8 18 1 8 18 0 0 0 0 25 9 5 rAiN
28 1700 3 1 2 12 0 0 0 1 2 12 0 4 3 5 rAin
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Sunspots observation summary
Year: 2021
Month: February
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 9.7
NR = 6.5 SR = 3.2 cR = 3.9
CV = 8.2 IS = 4.4
Q = 2.9 Cld = 38.4%
The Sun has been observed 24 days on 28 possible.
4 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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Year: 2021
Month: February
OBSERVER: Igor Grágeda M.
Astronomia Sigma Octante
Instr.: RFR
Fl: 600mm Aperture: 90mm
Method: Projection Image diameter: 140mm
Day UT Q g s R Ng Ns NR Sg Ss SR cR CV IS M Cld Remarks
01 1120 4 0 0 0 0 0 0 0 0 0 0 0 0 10 st.cirrus
02 1555 3 0 0 0 0 0 0 0 0 0 0 0 0 70 st.cirrus
03 * 100
04 1830 3 0 0 0 0 0 0 0 0 0 0 0 0 70
05 1435 2 0 0 0 0 0 0 0 0 0 0 0 0 60
06 1240 3 0 0 0 0 0 0 0 0 0 0 0 0 30 st.cirrus
07 1350 3 0 0 0 0 0 0 0 0 0 0 0 0 20
08 1730 2 0 0 0 0 0 0 0 0 0 0 0 0 60
09 1105 4 0 0 0 0 0 0 0 0 0 0 0 0 70
10 1610 3 0 0 0 0 0 0 0 0 0 0 0 0 90
11 1855 4 0 0 0 0 0 0 0 0 0 0 0 0 80
12 1330 3 0 0 0 0 0 0 0 0 0 0 0 0 50
13 1230 3 0 0 0 0 0 0 0 0 0 0 0 0 20
14 1240 3 0 0 0 0 0 0 0 0 0 0 0 0 20 st.cirrus
15 1730 3 0 0 0 0 0 0 0 0 0 0 0 0 40
16 1320 3 0 0 0 0 0 0 0 0 0 0 0 0 50
17 * 100 rain
18 * 100
19 * 100 rain
20 1630 3 0 0 0 0 0 0 0 0 0 0 0 0 70
21 1830 3 0 0 0 0 0 0 0 0 0 0 0 0 90
22 1130 3 0 0 0 0 0 0 0 0 0 0 0 0 80 st.cirrus
23 1120 3 2 9 29 1 4 14 1 5 15 15 16 11 50 st.cirrus
24 1400 3 2 9 29 1 6 16 1 3 13 13 33 11 40
25 1130 3 1 7 17 1 7 17 0 0 0 0 28 8 20
26 1740 3 1 4 14 1 4 14 0 0 0 0 28 5 80
27 1150 3 1 3 13 1 3 13 0 0 0 0 25 4 10
28 1300 3 0 0 0 0 0 0 0 0 0 0 0 0 70
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Sunspots observation summary
Year: 2021
Month: February
OBSERVER: Igor Grágeda M.
Astronomia Sigma Octante
Monthly Mean R = 3.64
NR = 2.64 SR = 1.00 cR = 1.00
CV = 4.64 IS = 1.39
Q = 2.61 Cld = 58.93%
The Sun has been observed 24 days on 28 possible.
4 cloudy day 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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