Viewing archive of Tuesday, 18 May 2021 - 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 |
|---|---|---|---|---|
| 24 13 | 1 1 | A7.64 | C1.14 | 1 |
Sunspot regions
Region 12822 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HSX | N18W76 | |
|
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Region 12824 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 120 | CAO | N19E64 | |
|
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Solar flares on this day | ||||
| C1.0 B2.2 B1.2 B1.5 B1.0 B2.0 | ||||
All times in UTC
Latest news
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Latest forum messages
Comment limitation 9AR 3906 8>500 meV 23Filaments and prominences 561Suggestion - Can admins automatically generate "official" AR topic threads as the regions appear and are numbered? 2
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/23 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 144.7 -21.7 |
| Last 30 days | 158.6 +10.8 |