Viewing archive of Sunday, 20 October 2013 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 117 -32 | 1 1 | C1.07 | C4.17 | 4 |
Sunspot regions
Region 11861 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 -7 | 240 -170 | EAC | S07W91 | |
|
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Region 11864 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 10 | HAX | S22W85 | |
|
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Region 11868 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 40 30 | CAO | N23W30 | |
|
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Solar flares on this day | ||||
| C4.12 C2.88 | ||||
Region 11869 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HRX | N20W05 | |
|
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Region 11870 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 -20 | BXO | S15W72 | |
|
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Region 11872 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 80 | HSX | S17E15 | |
|
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Region 11873 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -3 | 20 -20 | CRO | N12E23 | |
|
||||
Solar flares on this day | ||||
| C2.38 | ||||
Region 11874 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -2 | 40 -10 | DAO | S11W06 | |
|
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Region 11875 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 5 | 150 | ESI | N08E46 | |
|
||||
Solar flares on this day | ||||
| C1.44 | ||||
Region 11877 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 3 | 260 140 | CKO | S12E61 | |
|
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| Last M-flare | 2024/12/22 | M1.0 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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