Sunspots Observation for 2020 April
2 Observers================================================================
Sunspots Observation 2020 APRIL
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Year: 2020
Month: April
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 1610 3 1 3 13 1 3 13 0 0 0 0 19 4 5
2 1420 3 1 2 12 1 2 12 0 0 0 0 7 3 20 cirrus
3 1510 4 1 2 12 1 2 12 0 0 0 0 7 3 5
4 1620 4 1 1 11 1 1 11 0 0 0 0 1 1 5 rain
5 1610 3 0 0 0 0 0 0 0 0 0 0 0 0 20
6 1430 4 0 0 0 0 0 0 0 0 0 0 0 0 0
7 * 100 RAin
8 1540 4 0 0 0 0 0 0 0 0 0 0 0 0 0
9 1610 4 0 0 0 0 0 0 0 0 0 0 0 0 0
10 1600 4 0 0 0 0 0 0 0 0 0 0 0 0 0
11 1540 4 0 0 0 0 0 0 0 0 0 0 0 0 0
12 1600 4 0 0 0 0 0 0 0 0 0 0 0 0 0
13 1700 5 0 0 0 0 0 0 0 0 0 0 0 0 0
14 1530 4 0 0 0 0 0 0 0 0 0 0 0 0 0
15 1610 3 0 0 0 0 0 0 0 0 0 0 0 0 0
16 1610 3 0 0 0 0 0 0 0 0 0 0 0 0 75
17 ! 100 raIn
18 1640 3 0 0 0 0 0 0 0 0 0 0 0 0 40
19 1620 4 0 0 0 0 0 0 0 0 0 0 0 0 0
20 1700 4 0 0 0 0 0 0 0 0 0 0 0 0 5
21 1620 3 0 0 0 0 0 0 0 0 0 0 0 0 20
22 1620 3 0 0 0 0 0 0 0 0 0 0 0 0 0
23 1620 4 0 0 0 0 0 0 0 0 0 0 0 0 0
24 1740 4 0 0 0 0 0 0 0 0 0 0 0 0 0
25 1610 5 0 0 0 0 0 0 0 0 0 0 0 0 0
26 1900 3 1 2 12 0 0 0 1 2 12 12 10 3 75
27 1630 4 2 13 33 0 0 0 2 13 33 33 23 15 5
28 1620 3 1 2 12 0 0 0 1 2 12 12 1 3 0
29 1640 3 1 8 18 0 0 0 1 8 18 18 10 9 10
30 1650 4 1 4 14 0 0 0 1 4 14 14 25 5 0
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Sunspots observation summary
Year: 2020
Month: April
OBSERVER: German Morales C.
Astronomia Sigma Octante
Monthly Mean R = 4.9
NR = 1.7 SR = 3.2 cR = 3.2
CV = 3.7 IS = 1.6
Q = 3.7 Cld = 16.2%
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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Year: 2020
Month: April
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 1040 3 1 2 12 1 2 12 0 0 0 0 4 3 30
2 1525 3 1 3 13 1 3 13 0 0 0 0 4 4 40
3 1505 3 1 2 12 1 2 12 0 0 0 0 4 3 20
4 1330 3 0 0 0 0 0 0 0 0 0 0 0 0 10
5 1530 3 0 0 0 0 0 0 0 0 0 0 0 0 30
6 1450 4 0 0 0 0 0 0 0 0 0 0 0 0 5
7 ! 100 rain
8 1550 3 0 0 0 0 0 0 0 0 0 0 0 0 20 cirrus
9 1345 3 0 0 0 0 0 0 0 0 0 0 0 0 10
10 1440 3 0 0 0 0 0 0 0 0 0 0 0 0 5
11 1335 3 0 0 0 0 0 0 0 0 0 0 0 0 0 cirrus
12 1540 3 0 0 0 0 0 0 0 0 0 0 0 0 0
13 1520 3 0 0 0 0 0 0 0 0 0 0 0 0 0
14 1645 3 0 0 0 0 0 0 0 0 0 0 0 0 20
15 1410 3 0 0 0 0 0 0 0 0 0 0 0 0 5 st. cirrus
16 1305 3 0 0 0 0 0 0 0 0 0 0 0 0 30 st. cirrus
17 ! 100 rain
18 1510 3 0 0 0 0 0 0 0 0 0 0 0 0 30 st. cirrus
19 1515 3 0 0 0 0 0 0 0 0 0 0 0 0 20
20 1610 3 0 0 0 0 0 0 0 0 0 0 0 0 30
21 1610 2 0 0 0 0 0 0 0 0 0 0 0 0 40 st. cirrus
22 1530 3 0 0 0 0 0 0 0 0 0 0 0 0 30 st. cirrus
23 1620 3 0 0 0 0 0 0 0 0 0 0 0 0 40
24 1645 3 0 0 0 0 0 0 0 0 0 0 0 0 20
25 1620 3 0 0 0 0 0 0 0 0 0 0 0 0 10
26 * 100
27 1735 3 0 0 0 0 0 0 0 0 0 0 0 0 60
28 X ill
29 1630 3 1 2 12 0 0 0 1 2 12 12 1 3 60
30 1750 3 0 0 0 0 0 0 0 0 0 0 0 0 40
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Sunspots observation summary
Year: 2020
Month: April
OBSERVER: Igor Grágeda M.
Astronomia Sigma Octante
Monthly Mean R = 1.9
NR = 1.4 SR = 0.5 cR = 0.5
CV = 0.5 IS = 0.5
Q = 3.0 Cld = 31.2%
The Sun has been observed 26 days on 30 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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