Sunspot region AR11470
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/04/29 | 3 | 40 | CSO | S17E61 | |
| 2012/04/30 | 3 | 40 | CSO | S16E47 | |
| 2012/05/01 | 2 | 10 | BXO | S15E32 | |
| 2012/05/03 | 3 | 10 | BXO | S15E07 | |
| 2012/05/04 | 10 | 10 | BXO | S15W07 | |
| 2012/05/05 | 7 | 20 | CRO | S15W20 | |
| 2012/05/06 | 2 | 10 | BXO | S15W31 | |
| 2012/05/07 | 5 | 30 | CRO | S15W43 | |
| 2012/05/08 | 5 | 30 | CRO | S15W57 | |
| 2012/05/09 | 2 | 30 | CRO | S19W68 |
| C |
|---|
| 5 |
The top 5 solar flares from sunspot region 11470
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.71 | 2012/05/01 | 04:35 | 04:43 | 04:47 | |
| 2 | C4.28 | 2012/05/06 | 03:13 | 03:25 | 03:37 | |
| 3 | C2.93 | 2012/05/05 | 05:55 | 06:39 | 07:01 | |
| 4 | C2.6 | 2012/05/04 | 19:22 | 19:28 | 19:32 | |
| 5 | C2.16 | 2012/04/27 | 23:00 | 23:03 | 23:06 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Do the high-resolution sunspot counts point to more complex sunspots? 40AR4366 253Incoming & Unnumbered Active Regions 141Space Weather Memes 780Current Farside Activity 350
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Space weather facts
| Last X-flare | 2026/02/01 | X1.0 |
| Last M-flare | 2026/02/01 | M1.8 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| Last 30 days | 119.2 +2.7 |