Viewing archive of Sunday, 16 July 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 |
|---|---|---|---|---|---|
| 99 3 | 0 | C1.36 | M4.02 | 15 | 3 |
Sunspot regions
Region 13363 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 -2 | 720 | DKO | S22W61 | |
|
||||
Solar flares on this day | ||||
| C2.5 C2.5 C1.7 C1.9 C4.7 C2.9 C1.9 C5.6 M4.0 C6.1 | ||||
Region 13367 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 80 | DAO | N10W97 | |
|
||||
Region 13371 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HRX | S15W07 | |
|
||||
Region 13372 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 5 | 700 40 | FKO | N24E12 | |
|
||||
Solar flares on this day | ||||
| C2.1 M1.0 C1.7 M1.7 C4.1 | ||||
Region 13373 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 14 | 240 120 | DAI | N07E37 | |
|
||||
Solar flares on this day | ||||
| C3.0 C3.5 | ||||
Region 13374 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 -10 | HSX | S08E41 | |
|
||||
Solar flares on this day | ||||
| C2.4 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| 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 | 80.2 +2 |
| Last 30 days | 77.8 -4.5 |