Sunspot region AR8217
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/05/03 | 2 | 40 | HSX | S17E74 | |
| 1998/05/04 | 1 | 60 | HSX | S16E60 | |
| 1998/05/05 | 1 | 40 | HSX | S16E47 | |
| 1998/05/06 | 1 | 40 | HSX | S15E34 | |
| 1998/05/07 | 1 | 40 | HSX | S17E21 | |
| 1998/05/08 | 1 | 50 | HSX | S17E09 | |
| 1998/05/09 | 1 | 40 | HSX | S16W05 | |
| 1998/05/10 | 1 | 30 | HSX | S16W18 | |
| 1998/05/11 | 1 | 30 | HSX | S16W31 | |
| 1998/05/12 | 1 | 40 | HSX | S16W44 | |
| 1998/05/13 | 1 | 50 | HSX | S16W57 | |
| 1998/05/14 | 1 | 40 | HSX | S16W71 | |
| 1998/05/15 | 1 | 20 | AXX | S17W86 |
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Monday, 30 March 2026
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Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
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Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/02 | M3.5 |
| Last geomagnetic storm | 2026/04/02 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| April 2026 | 141 +62.8 |
| Last 30 days | 94.6 +27 |
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