Viewing archive of Wednesday, 17 April 2002 - 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 |
|---|---|---|---|---|---|
| 137 -35 | 0 | C1.43 | M3.8 | 5 | 3 |
Sunspot regions
Region 9896 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 | HSX | S10W74 | |
Region 9899 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 140 -30 | CSO | N18W58 | |
Region 9901 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -8 | 270 -80 | HKX | N21W86 | |
Region 9902 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 70 -50 | CSO | N12W42 | |
Region 9903 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 10 | AXX | N17W25 | |
Region 9905 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -5 | 50 -60 | DRO | S15W83 | |
Solar flares on this day | ||||
| M1.42 C3.38 C2.65 C9.86 | ||||
Region 9906 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 27 -7 | 590 -100 | EKI | S15W28 | |
Solar flares on this day | ||||
| M3.79 | ||||
Region 9907 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 23 -12 | 170 -100 | EAO | S03E07 | |
Region 9909 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 120 -60 | HAX | N11E42 | |
Region 9910 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 30 | CSO | S20E37 | |
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