Viewing archive of Friday, 30 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 | M |
|---|---|---|---|---|---|
| 80 -18 | 1 -1 | B6.29 | M1.17 | 3 | 1 |
Sunspot regions
Region 8518 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 -10 | HSX | S13W93 | |
Region 8522 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 2 | 30 | CSO | N17W14 | |
Region 8523 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -7 | 20 -20 | BXO | N32W21 | |
Region 8524 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 5 | 310 10 | EAO | N22W15 | |
Solar flares on this day | ||||
| C2.69 C6.06 | ||||
Region 8525 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 | HSX | N15E68 | |
Region 8526 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N22E35 | |
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