Viewing archive of Friday, 13 January 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 | M |
|---|---|---|---|---|---|
| 181 30 | 4 3 | C2.68 | M3.99 | 7 | 2 |
Sunspot regions
Region 13181 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -5 | 90 -150 | EAI | S21W88 | |
|
||||
Solar flares on this day | ||||
| M3.9 | ||||
Region 13182 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 -15 | 300 -210 | EKI | S18W34 | |
|
||||
Solar flares on this day | ||||
| C4.5 C4.1 C9.0 | ||||
Region 13184 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 5 | 300 60 | EHO | S12E13 | |
|
||||
Solar flares on this day | ||||
| C8.4 C5.9 | ||||
Region 13185 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -3 | 60 -40 | CAO | N19W55 | |
|
||||
Region 13186 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 -1 | 500 180 | EKI | N28E24 | |
|
||||
Solar flares on this day | ||||
| M1.4 C6.5 | ||||
Region 13188 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 20 | DRO | S23E44 | |
|
||||
Region 13189 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | N23W31 | |
|
||||
Region 13190 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 180 | HSX | S13E70 | |
|
||||
Region 13191 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 90 | CSO | N12E71 | |
|
||||
Solar flares on this day | ||||
| C6.2 | ||||
Region 13192 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 100 | DSO | N19E75 | |
|
||||
Solar flares on this day | ||||
| C4.9 | ||||
All times in UTC
Latest news
Tuesday, 17 March 2026
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/21 | Kp7 (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 76.1 -2.1 |
| Last 30 days | 65.3 -33.8 |