Viewing archive of Wednesday, 28 April 1999 - 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 |
|---|---|---|---|---|
| 76 -6 | 0 | B5.43 | C5.51 | 4 |
Sunspot regions
Region 8518 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 70 -20 | HSX | S13W64 | |
Region 8522 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -1 | 70 | DAO | N16E13 | |
Region 8523 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 3 | 40 20 | CSO | N31E03 | |
Solar flares on this day | ||||
| B8.51 | ||||
Region 8524 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 12 | 240 20 | EAO | N22E13 | |
All times in UTC
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