Viewing archive of Friday, 13 August 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 |
|---|---|---|---|---|
| 82 -18 | 1 -1 | B6.14 | C7.6 | 8 |
Sunspot regions
Region 8657 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 60 | HSX | S28W56 | |
Region 8662 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 37 -2 | 180 -110 | EAI | S16W19 | |
Solar flares on this day | ||||
| C1.31 C4.34 B9.5 C1.15 C6.04 C4.67 | ||||
Region 8665 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 1 | 30 -20 | CRO | S25E51 | |
Region 8666 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | BXO | N14W59 | |
Region 8667 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 30 | CRO | N23E69 | |
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