Viewing archive of Monday, 20 April 2026 - 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 |
|---|---|---|---|---|
| 46 11 | 0 | B3.48 | C1.69 | 2 |
Sunspot regions
Region 14415 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 30 | HSX | S17W85 | |
|
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Region 14419 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 25 11 | 260 20 | EHO | N15W25 | |
|
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Solar flares on this day | ||||
| C1.0 B6.0 B7.1 | ||||
All times in UTC
Latest news
Wednesday, 13 May 2026
Coronal hole faces Earth
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Latest forum messages
Incoming & Unnumbered Active Regions 398Unspecified geomagnetic activity 267Current Farside Activity 583The hypothetical role of metal ions in Sporadic E skip 10AR 14444 6
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/22 | M2.3 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 88.6 +9.3 |
| Last 30 days | 100.4 +10.3 |
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