Viewing archive of Saturday, 16 March 2013 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 90 -15 | 0 | B6.14 | C4.04 | 5 |
Sunspot regions
Region 11691 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 2 | 120 30 | CSO | N12W64 | |
|
||||
Region 11692 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 240 60 | HAX | N09W17 | |
|
||||
Solar flares on this day | ||||
| C1.13 | ||||
Region 11695 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 180 70 | HAX | N10E05 | |
|
||||
Region 11696 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -4 | 190 50 | EAI | N04W36 | |
|
||||
Region 11697 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 10 -30 | BXO | N15W49 | |
|
||||
Region 11698 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 2 | 150 70 | DAO | S19W57 | |
|
||||
Solar flares on this day | ||||
| C3.75 C4.03 C2.87 C2.14 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| February 2026 | 76.8 -35.8 |
| Last 30 days | 83.6 -38.4 |