Viewing archive of Wednesday, 18 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 |
|---|---|---|---|---|---|
| 164 -21 | 1 | C1.77 | M1.82 | 7 | 1 |
Sunspot regions
Region 13182 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 | AXX | S17W0* | |
|
||||
Region 13184 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 180 -10 | CSO | S13W52 | |
|
||||
Region 13186 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -6 | 350 -80 | EHO | N24W42 | |
|
||||
Solar flares on this day | ||||
| C5.8 | ||||
Region 13188 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -4 | 10 | BXO | S24W16 | |
|
||||
Region 13190 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 -3 | 950 50 | EKI | S15E09 | |
|
||||
Solar flares on this day | ||||
| C4.9 M1.7 C3.6 | ||||
Region 13191 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -5 | 230 -90 | DSI | N11W04 | |
|
||||
Region 13192 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 4 | 420 40 | FKI | N16E13 | |
|
||||
Solar flares on this day | ||||
| C3.5 C9.4 | ||||
Region 13193 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 10 -20 | BXO | S22W70 | |
|
||||
Region 13194 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 0 | BXO | S23W04 | |
|
||||
Region 13195 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 30 | CRO | N20W09 | |
|
||||
Region 13196 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 30 | DRO | N13E44 | |
|
||||
Solar flares on this day | ||||
| C3.2 | ||||
All times in UTC
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Space weather facts
| 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 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 107.7 +21.8 |
| Last 30 days | 99.4 +43 |
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