Sunspots Observation for 2021 May
2 Observers================================================================
Sunspots Observation 2021 MAY
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Year: 2021
Month: May
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 1630 3 0 0 0 0 0 0 0 0 0 0 0 0 10 cirrus
2 1640 4 0 0 0 0 0 0 0 0 0 0 0 0 0
3 1620 4 0 0 0 0 0 0 0 0 0 0 0 0 0
4 1700 4 0 0 0 0 0 0 0 0 0 0 0 0 0
5 1700 4 0 0 0 0 0 0 0 0 0 0 0 0 0
6 1650 3 0 0 0 0 0 0 0 0 0 0 0 0 30 cirrus
7 1420 3 1 5 15 1 5 15 0 0 0 0 10 6 10
8 1700 3 1 8 18 1 8 18 0 0 0 0 25 9 80 cirrus
9 1710 4 1 8 18 1 8 18 0 0 0 0 28 9 0
10 1620 4 2 14 34 1 10 20 1 4 14 0 44 16 0
11 X
12 X
13 1650 4 2 10 30 1 8 18 1 2 12 30 20 12 0
14 1610 3 2 11 31 1 7 17 1 4 14 31 14 13 0
15 1630 3 1 4 14 1 4 14 0 0 0 0 10 5 30 cirrus
16 1720 4 1 2 12 1 2 12 0 0 0 0 10 3 0
17 1700 4 1 3 13 1 3 13 0 0 0 0 10 4 0
18 1650 4 2 7 27 2 7 27 0 0 0 0 47 9 0
19 1340 4 1 4 14 1 4 14 0 0 0 0 37 5 0
20 1650 3 1 4 14 1 4 14 0 0 0 0 10 5 0
21 1650 2 1 2 12 1 2 12 0 0 0 0 10 3 100 st. cirrus
22 1650 4 2 14 34 2 14 34 0 0 0 22 17 16 0
23 ! 100
24 1630 4 1 17 27 1 17 27 0 0 0 27 10 18 0
25 1730 3 2 21 41 2 21 41 0 0 0 20 32 23 70
26 1700 3 2 27 47 2 27 47 0 0 0 0 83 29 15 cirrus
27 1820 3 2 26 46 2 26 46 0 0 0 0 71 28 30 cirrus
28 1710 4 2 10 30 2 10 30 0 0 0 0 29 12 0
29 1640 3 1 3 13 1 3 13 0 0 0 0 10 4 20
30 1710 3 1 11 21 1 11 21 0 0 0 0 28 12 30 cirrus
31 1810 2 1 6 16 1 6 16 0 0 0 1 6 16 100 st. cirrus
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Sunspots observation summary
Year: 2021
Month: May
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 18.8
NR = 17.4 SR = 1.4 cR = 4.6
CV = 20.8 IS = 8.9
Q = 3.4 Cld = 21.6%
The Sun has been observed 28 days on 31 possible.
1 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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Report generated and Sent by: SOdb-ASO-gmc software (c)1999-v:2013
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Year: 2021
Month: May
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
1 1825 4 0 0 0 0 0 0 0 0 0 0 0 0 40 st.cirrus
2 1130 3 0 0 0 0 0 0 0 0 0 0 0 0 0
3 1345 3 0 0 0 0 0 0 0 0 0 0 0 0 0
4 1455 3 0 0 0 0 0 0 0 0 0 0 0 0 40 st.cirrus
5 1630 3 0 0 0 0 0 0 0 0 0 0 0 0 20
6 1425 3 0 0 0 0 0 0 0 0 0 0 0 0 5 cirrus & smog
7 1650 3 1 1 11 1 1 11 0 0 0 0 10 1 10
8 1220 3 1 4 14 1 4 14 0 0 0 0 11 5 20
9 1150 4 1 5 15 1 5 15 0 0 0 0 22 6 0
10 1440 4 2 8 28 1 6 16 1 2 12 0 24 10 0
11 1350 3 2 7 27 1 6 16 1 1 11 0 29 8 5 haze
12 1250 3 2 7 27 1 5 15 1 2 12 27 30 9 5
13 1500 3 2 6 26 1 5 15 1 1 11 26 29 7 5
14 1725 3 1 3 13 1 3 13 0 0 0 13 11 4 10
15 1035 3 1 2 12 1 2 12 0 0 0 0 8 3 10
16 1225 3 1 2 12 1 2 12 0 0 0 0 10 3 5 haze
17 1350 3 1 1 11 1 1 11 0 0 0 0 10 1 30
18 1255 3 2 2 22 2 2 22 0 0 0 0 20 2 20 st.cirrus
19 1400 3 1 2 12 1 2 12 0 0 0 0 8 3 0 smog
20 1650 2 1 2 12 1 2 12 0 0 0 0 8 3 60 st.cirrus
21 1435 3 1 2 12 1 2 12 0 0 0 0 8 3 70 st.cirrus
22 1205 3 1 3 13 1 3 13 0 0 0 13 10 4 20 st.cirrus
23 ! 100
24 1350 3 1 4 14 1 4 14 0 0 0 14 12 5 70
25 1315 3 2 7 27 2 7 27 0 0 0 15 14 9 0 haze
26 1650 4 2 13 33 2 13 33 0 0 0 0 17 15 50 st.cirrus
27 1735 3 2 10 30 2 10 30 0 0 0 0 92 12 90
28 1350 3 2 7 27 2 7 27 0 0 0 0 92 9 30
29 1510 3 1 3 13 1 3 13 0 0 0 0 25 4 90 st.cirrus
30 1650 3 1 4 14 1 4 14 0 0 0 0 5 5 70 st.cirrus
31 1650 3 1 4 14 1 4 14 0 0 0 14 0 0 90
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Sunspots observation summary
Year: 2021
Month: May
OBSERVER: Igor Grágeda M.
Astronomia Sigma Octante
Monthly Mean R = 14.16
NR = 12.68 SR = 1.48 cR = 3.94
CV = 16.90 IS = 4.39
Q = 3.10 Cld = 31.13%
The Sun has been observed 30 days on 31 possible.
1 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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