Viewing archive of Sunday, 31 August 1997 - 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 |
|---|---|---|---|---|
| 80 11 | 1 | B1.86 | C3.93 | 3 |
Sunspot regions
Region 8076 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 29 -3 | 200 -80 | ESI | N28W01 | |
Solar flares on this day | ||||
| C3.93 C1.76 C1.9 | ||||
Region 8078 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 10 10 | BXO | N20W05 | |
Region 8080 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 10 | BXO | N18W31 | |
All times in UTC
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
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| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
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|---|---|
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| Last 30 days | 93.4 +33.3 |
