Viewing archive of Saturday, 17 September 2022 - 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 |
|---|---|---|---|---|---|
| 76 12 | 0 | B8.64 | M2.61 | 7 | 2 |
Sunspot regions
Region 13098 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 540 | EHC | N18W0* | |
|
||||
Solar flares on this day | ||||
| C1.7 C1.4 | ||||
Region 13100 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 8 | 190 40 | ESO | S23W45 | |
|
||||
Solar flares on this day | ||||
| C3.0 C1.2 C1.6 | ||||
Region 13102 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 18 | 310 -130 | EKI | S27E11 | |
|
||||
Solar flares on this day | ||||
| C1.8 C1.6 | ||||
Region 13103 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 | 20 -80 | BXO | S13W22 | |
|
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All times in UTC
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 74.6 -38 |
| Last 30 days | 79 -41.8 |