Viewing archive of Saturday, 13 February 1999 - 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 |
|---|---|---|---|---|---|
| 199 34 | 1 -3 | B9.71 | M1.35 | 10 | 1 |
Sunspot regions
Region 8456 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 27 11 | 170 -50 | EAO | N23E04 | |
Solar flares on this day | ||||
| C6.5 C3.53 M1.35 | ||||
Region 8457 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 26 10 | 350 60 | EAI | N15E23 | |
Region 8458 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 5 | 650 -10 | DKO | S23E29 | |
Region 8460 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 2 | 50 -50 | CSO | S16E50 | |
Region 8461 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 10 | CSO | S32E27 | |
Region 8462 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 30 | CRO | N20E34 | |
Solar flares on this day | ||||
| C3.71 C1.77 C3.81 C3.97 C2.59 | ||||
Region 8463 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HSX | S16E59 | |
Region 8464 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 | EAO | N19E64 | |
All times in UTC
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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 | 2026/03/14 | Kp6 (G2) |
| 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 | 82.4 +4.2 |
| Last 30 days | 62.7 -52.5 |