Viewing archive of Saturday, 28 October 2023 - 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 |
|---|---|---|---|---|
| 70 4 | 1 | B5.02 | C1.68 | 3 |
Sunspot regions
Region 13468 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S09W92 | |
|
||||
Region 13471 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 1 | 10 -10 | BXO | S23W57 | |
|
||||
Solar flares on this day | ||||
| C1.0 | ||||
Region 13472 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 10 | BXO | N20E15 | |
|
||||
Solar flares on this day | ||||
| B8.2 | ||||
Region 13473 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 1 | 30 20 | CRO | N16E44 | |
|
||||
Solar flares on this day | ||||
| B9.7 C1.2 C1.6 | ||||
Region 13474 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 2 | 10 | BXO | S17E25 | |
|
||||
Region 13475 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 20 | CRO | N13W51 | |
|
||||
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/19 | M1.2 |
| Last geomagnetic storm | 2026/01/19 | Kp9- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 103.8 -20.2 |
| Last 30 days | 109 +1.5 |