Viewing archive of Friday, 21 December 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 |
|---|---|---|---|---|
| 215 44 | 2 | C2.29 | C5.8 | 8 |
Sunspot regions
Region 9733 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -12 | 70 -240 | CAO | N12W83 | |
Region 9738 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -5 | 20 -20 | CRO | S18W34 | |
Region 9741 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 1 | 10 -10 | BXO | N05W21 | |
Region 9742 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 45 21 | 530 210 | EKI | N10E13 | |
Solar flares on this day | ||||
| C5.01 C4.61 C4.21 C5.8 C4.53 C4.56 | ||||
Region 9743 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 120 | CAO | S11E19 | |
Region 9745 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 4 | 30 | BXO | N17E33 | |
Region 9747 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 90 60 | CAO | N12E58 | |
Region 9748 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 30 | CSO | S11E36 | |
Region 9749 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 80 | CSO | S08E72 | |
Solar flares on this day | ||||
| C5.1 | ||||
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