Sunspot region AR9171
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/09/23 | 1 | 40 | HRX | S15E70 | |
| 2000/09/24 | 3 | 50 | CSO | S15E59 | |
| 2000/09/25 | 3 | 80 | DSO | S15E47 | |
| 2000/09/26 | 3 | 80 | CSO | S15E33 | |
| 2000/09/27 | 4 | 70 | CSO | S14E19 | |
| 2000/09/28 | 3 | 50 | HAX | S13E04 | |
| 2000/09/29 | 4 | 50 | CSO | S13W09 | |
| 2000/09/30 | 4 | 40 | CSO | S13W22 | |
| 2000/10/01 | 2 | 20 | HSX | S13W38 | |
| 2000/10/02 | 1 | 20 | HSX | S12W51 | |
| 2000/10/03 | 1 | 10 | HRX | S10W63 | |
| 2000/10/04 | 1 | 0 | AXX | S13W77 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
CMes from ar 4392 (19-21st of march) 162Current Farside Activity 424What, no CH/HSS thread? 57Incoming & Unnumbered Active Regions 228An interesting article about the suns dynamo 2
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/20 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 77.5 -0.7 |
| Last 30 days | 63.5 -42.2 |