Viewing archive of Monday, 22 April 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 | M |
|---|---|---|---|---|---|
| 83 7 | 0 | B5.29 | M1.43 | 6 | 1 |
Sunspot regions
Region 11723 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 30 -10 | CSO | S19W70 | |
|
||||
Region 11726 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 42 6 | 550 290 | EKC | N13W35 | |
|
||||
Solar flares on this day | ||||
| C1.34 C1.07 C1.33 M1.43 C2.17 | ||||
Region 11727 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 1 | 70 10 | DAO | N25E18 | |
|
||||
Solar flares on this day | ||||
| B8.68 | ||||
All times in UTC
Latest news
Monday, 30 March 2026
X1.5 solar flare
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Complex sunspot region 4366
Latest forum messages
AR4420 12Incoming & Unnumbered Active Regions 278Current Farside Activity 460Coronal Holes 42/44 97AR potential 4420 (not officially named yet) 5
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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 | 2026/04/20 | Kp5 (G1) |
| 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 | 79.3 -6.7 |
| Last 30 days | 92.3 +25.9 |
