Viewing archive of Sunday, 21 October 2001 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 239 9 | 0 -2 | C1.57 | M3.63 | 8 | 3 |
Sunspot regions
Region 9658 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -11 | 110 -120 | DAO | S15W73 | |
Region 9661 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 -6 | 410 -210 | ESO | N15W48 | |
Solar flares on this day | ||||
| M3.62 | ||||
Region 9662 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 60 -10 | DSO | N11W81 | |
Region 9667 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 10 -30 | HRX | N26W10 | |
Region 9669 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 32 5 | 150 -20 | EAI | N14E01 | |
Region 9670 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 -3 | 470 -60 | FAO | S19E19 | |
Solar flares on this day | ||||
| C3.7 | ||||
Region 9671 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 1 | 80 -20 | DSO | N15W09 | |
Region 9672 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 4 | 150 -10 | DAO | S20E40 | |
Solar flares on this day | ||||
| C6.2 | ||||
Region 9673 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 3 | 70 -60 | CAO | N03E46 | |
Region 9674 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 3 | 50 -10 | DSO | S08E20 | |
Region 9675 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HSX | S14E69 | |
Region 9676 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 | CAO | N13E70 | |
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| Spotless days | |
|---|---|
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