Viewing archive of Sunday, 21 January 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 |
|---|---|---|---|---|---|
| 108 17 | 3 2 | C1.04 | M1.59 | 5 | 1 |
Sunspot regions
Region 9308 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 -40 | AXX | N17W82 | |
Region 9311 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -7 | 60 -20 | CSO | N05W20 | |
Solar flares on this day | ||||
| C6.49 M1.59 | ||||
Region 9312 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 10 -10 | BXO | N06E07 | |
Region 9313 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -2 | 220 30 | EAO | S07E42 | |
Solar flares on this day | ||||
| C4.37 | ||||
Region 9316 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 4 | 200 100 | DSO | S17E64 | |
Region 9318 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 20 | DSO | S05E05 | |
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