Viewing archive of Thursday, 17 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 | M |
|---|---|---|---|---|---|
| 166 46 | 3 2 | C1.23 | M1.83 | 5 | 1 |
Sunspot regions
Region 11861 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -4 | 350 -130 | DHC | S10W57 | |
|
||||
Solar flares on this day | ||||
| C1.73 C8.36 C6.93 M1.83 | ||||
Region 11864 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 50 -10 | HSX | S23W45 | |
|
||||
Region 11865 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -8 | 50 -40 | DSO | S22W37 | |
|
||||
Region 11867 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 10 -10 | BXO | N23W74 | |
|
||||
Region 11869 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 20 -10 | DSO | N18E27 | |
|
||||
Region 11870 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -6 | 10 -10 | BXO | S13W35 | |
|
||||
Region 11871 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 10 -10 | AXX | N17E32 | |
|
||||
Region 11872 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 30 | HSX | S17E55 | |
|
||||
Region 11873 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 30 | CRO | N11E60 | |
|
||||
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| Last M-flare | 2024/11/20 | M1.1 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
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