Viewing archive of Thursday, 20 October 2011 - 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 |
|---|---|---|---|---|---|
| 161 21 | 3 2 | C1.23 | M2.35 | 2 | 1 |
Sunspot regions
Region 11314 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 260 20 | HHX | N28W58 | |
Region 11316 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 110 -30 | DAI | S12W49 | |
Region 11317 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 80 30 | HSX | S27W37 | |
Region 11319 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 -3 | 330 50 | EKI | N10W53 | |
Region 11321 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 20 -10 | CRO | S14W03 | |
Region 11324 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 26 14 | 340 230 | FKC | N12E55 | |
Solar flares on this day | ||||
| C7.79 | ||||
Region 11325 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 | HAX | N16E82 | |
All times in UTC
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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