Viewing archive of Thursday, 19 April 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 |
|---|---|---|---|---|---|
| 85 22 | 2 | B7.86 | M2.91 | 4 | 1 |
Sunspot regions
Region 9429 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 80 | HSX | N08E09 | |
Region 9430 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -3 | 20 -10 | CRO | S17W59 | |
Region 9431 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 0 -10 | AXX | S11E36 | |
Region 9432 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 30 | CRO | N08E20 | |
Region 9433 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 150 | DAO | N14E74 | |
Solar flares on this day | ||||
| C1.9 C1.83 C1.28 | ||||
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| Spotless days | |
|---|---|
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