Sunspot region AR12715
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2018/06/20 | 4 | 30 | CRO | N07E32 | |
| 2018/06/21 | 12 | 110 | DAI | N08E20 | |
| 2018/06/22 | 13 | 160 | DAO | N08E06 | |
| 2018/06/23 | 15 | 110 | DAC | N08W08 | |
| 2018/06/24 | 8 | 120 | DAC | N08W21 | |
| 2018/06/25 | 6 | 100 | DAC | N07W34 | |
| 2018/06/26 | 4 | 40 | CAI | N08W48 | |
| 2018/06/27 | 2 | 20 | HRX | N07W61 |
2018/06/20
2018/06/21
2018/06/22
2018/06/23
2018/06/24
2018/06/25
2018/06/26
2018/06/27
|
2018/06/20
2018/06/21
2018/06/22
2018/06/23
2018/06/24
2018/06/25
2018/06/26
2018/06/27
|
| B | C |
|---|---|
| 9 | 2 |
The top 10 solar flares from sunspot region 12715
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.05 | 2018/06/21 | 01:09 | 01:15 | 01:18 | |
| 2 | C1.24 | 2018/06/24 | 01:31 | 01:45 | 01:51 | |
| 3 | B8.98 | 2018/06/20 | 19:28 | 19:35 | 19:39 | |
| 4 | B4.96 | 2018/06/24 | 17:45 | 17:52 | 17:57 | |
| 5 | B4.51 | 2018/06/23 | 05:06 | 05:16 | 05:24 | |
| 6 | B3.77 | 2018/06/20 | 22:58 | 23:03 | 23:07 | |
| 7 | B3.24 | 2018/06/27 | 05:17 | 05:38 | 06:16 | |
| 8 | B2.62 | 2018/06/23 | 08:18 | 08:28 | 08:31 | |
| 9 | B2.57 | 2018/06/20 | 03:56 | 04:25 | 04:33 | |
| 10 | B2.28 | 2018/06/27 | 04:01 | 04:08 | 04:13 |
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
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| 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 | 81.4 +3.2 |
| Last 30 days | 80 -0.8 |