Viewing archive of Saturday, 17 December 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 |
|---|---|---|---|---|---|
| 139 31 | 2 2 | C1.13 | M1.09 | 10 | 1 |
Sunspot regions
Region 13160 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 50 | HSX | N23W69 | |
|
||||
Solar flares on this day | ||||
| C2.2 | ||||
Region 13162 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 40 | HSX | S13W51 | |
|
||||
Solar flares on this day | ||||
| C2.0 | ||||
Region 13163 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 | 530 | EKI | S20W25 | |
|
||||
Region 13165 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 150 | DAO | S22W86 | |
|
||||
Solar flares on this day | ||||
| C8.9 C3.2 | ||||
Region 13166 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 | 170 | DSO | S08W39 | |
|
||||
Solar flares on this day | ||||
| C3.0 | ||||
Region 13167 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 120 | CAO | N20W53 | |
|
||||
Solar flares on this day | ||||
| C3.3 | ||||
Region 13168 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 50 | HSX | S16E28 | |
|
||||
Region 13169 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 160 | DSO | N20E69 | |
|
||||
Solar flares on this day | ||||
| C2.6 C2.8 C1.9 M1.09 | ||||
Region 13170 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HRX | S18E72 | |
|
||||
Solar flares on this day | ||||
| C5.1 | ||||
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 | 2026/04/19 | Kp6- (G2) |
| 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 | 81 -4.9 |
| Last 30 days | 92.5 +30.9 |
