Viewing archive of Monday, 16 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 |
|---|---|---|---|---|
| 186 9 | 0 -2 | C2.07 | C8.71 | 5 |
Sunspot regions
Region 13182 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -9 | 20 -120 | CRO | S18W77 | |
|
||||
Solar flares on this day | ||||
| C8.6 | ||||
Region 13184 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 210 -50 | CSO | S13W24 | |
|
||||
Region 13186 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 4 | 440 -10 | EHO | N25W15 | |
|
||||
Region 13188 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 2 | 30 | DRO | S23E01 | |
|
||||
Region 13190 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 10 | 880 360 | EHI | S14E31 | |
|
||||
Solar flares on this day | ||||
| C4.6 | ||||
Region 13191 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 2 | 360 190 | DKC | N14E22 | |
|
||||
Solar flares on this day | ||||
| C5.0 | ||||
Region 13192 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 | 400 190 | FKI | N19E35 | |
|
||||
Region 13193 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 60 40 | DSO | S21W49 | |
|
||||
Region 13194 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 10 -10 | BXO | S21E19 | |
|
||||
All times in UTC
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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 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 107.7 +21.8 |
| Last 30 days | 100 +44.8 |
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