Viewing archive of Saturday, 23 September 2000 - 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 |
|---|---|---|---|---|---|
| 216 -32 | 0 -1 | C3.29 | M1.3 | 12 | 1 |
Sunspot regions
Region 9165 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 0 -30 | AXX | N15W93 | |
Region 9166 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 48 -1 | 610 -150 | EKI | S12W30 | |
Solar flares on this day | ||||
| C6.09 C3.29 C3.84 | ||||
Region 9167 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 -2 | 170 10 | CSO | N13E03 | |
Solar flares on this day | ||||
| C3.91 | ||||
Region 9169 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 102 34 | 1880 -30 | FKC | N10E19 | |
|
||||
Solar flares on this day | ||||
| C8.06 C3.26 C7.83 C3.07 M1.24 | ||||
Region 9170 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 10 | 70 30 | DSO | S07E15 | |
Region 9171 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HRX | S15E70 | |
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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 | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
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|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 92 +6.1 |
| Last 30 days | 94.7 +34.5 |
