Sunspot region AR9875
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/03/20 | 1 | 10 | HSX | S19E62 | |
| 2002/03/21 | 6 | 140 | DAO | S18E48 | |
| 2002/03/22 | 9 | 140 | DAO | S19E35 | |
| 2002/03/23 | 15 | 120 | ESI | S20E22 | |
| 2002/03/24 | 12 | 110 | DAO | S20E08 | |
| 2002/03/25 | 5 | 90 | DAO | S20W06 | |
| 2002/03/26 | 4 | 50 | DAO | S20W22 | |
| 2002/03/27 | 2 | 60 | DAO | S21W36 | |
| 2002/03/28 | 3 | 40 | CSO | S21W49 | |
| 2002/03/29 | 1 | 10 | HSX | S21W62 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 9875
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.79 | 2002/03/20 | 08:08 | 08:33 | 08:45 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
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Sunday, 1 February 2026
Complex sunspot region 4366
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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 | 2026/04/18 | Kp6- (G2) |
| 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 | 83.6 -2.3 |
| Last 30 days | 92.3 +30.4 |
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