Viewing archive of Sunday, 22 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 | M |
|---|---|---|---|---|---|
| 78 -1 | 0 | C1.13 | M1.41 | 9 | 1 |
Sunspot regions
Region 8668 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -1 | 230 -60 | CHO | N22W25 | |
Region 8672 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -4 | 10 -10 | AXX | N16W49 | |
Region 8673 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 14 | 400 120 | FHO | S19E55 | |
Region 8674 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 5 | 400 220 | FAO | S25E60 | |
Solar flares on this day | ||||
| C7.71 C2.87 C3.13 M1.41 C3.03 | ||||
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| Last M-flare | 2024/11/13 | M1.7 |
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| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| Last 30 days | 163.2 +18.4 |