Sunspot region AR8478
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/03/02 | 4 | 20 | BXO | S15W08 | |
| 1999/03/03 | 3 | 20 | CSO | S14W26 | |
| 1999/03/04 | 5 | 20 | CRO | S15W40 | |
| 1999/03/05 | 4 | 20 | BXO | S16W52 | |
| 1999/03/06 | 4 | 20 | BXO | S15W66 | |
| 1999/03/07 | 1 | 0 | AXX | S15W80 |
Latest news
Tuesday, 14 May 2024
X8.7 solar flare
Monday, 13 May 2024
M6.6 solar flare with earth-directed CME
Sunday, 12 May 2024
Small CME impact, Record visitor amount
Latest forum messages
AR3664 1006Flares, Longitudes, and Limbs (oh my!) 34That was close..? 30Trying to identify if this is STEVE? 6May 2024 Geomagnetic Storms from AR 13664 (2) 299
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Space weather facts
| Last X-flare | 2024/05/14 | X8.5 |
| Last M-flare | 2024/05/14 | M4.4 |
| Last geomagnetic storm | 2024/05/13 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 151.7 +15.2 |
| Last 30 days | 176.8 +77.8 |