Sunspot region AR12712
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2018/05/26 | 7 | 40 | CAO | N14E56 | |
| 2018/05/27 | 3 | 40 | CAO | N15E43 | |
| 2018/05/28 | 5 | 40 | CRO | N15E28 | |
| 2018/05/29 | 10 | 80 | CSI | N15E18 | |
| 2018/05/30 | 12 | 70 | CSI | N16E05 | |
| 2018/05/31 | 8 | 30 | CRO | N14W09 | |
| 2018/06/01 | 11 | 50 | DRO | N16W23 | |
| 2018/06/02 | 12 | 60 | DRO | N16W36 | |
| 2018/06/03 | 10 | 30 | CRO | N15W48 | |
| 2018/06/04 | 6 | 10 | BXO | N14W63 | |
| 2018/06/05 | 1 | 10 | AXX | N14W77 |
2018/05/26
2018/05/27
2018/05/28
2018/05/29
2018/05/30
2018/05/31
2018/06/01
2018/06/02
2018/06/03
2018/06/04
2018/06/05
|
2018/05/26
2018/05/27
2018/05/28
2018/05/29
2018/05/30
2018/05/31
2018/06/01
2018/06/02
2018/06/03
2018/06/04
2018/06/05
|
| B | C |
|---|---|
| 36 | 4 |
The top 10 solar flares from sunspot region 12712
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.93 | 2018/05/28 | 17:04 | 17:10 | 17:12 | |
| 2 | C1.43 | 2018/06/06 | 10:44 | 11:00 | 11:06 | |
| 3 | C1.13 | 2018/06/03 | 07:53 | 07:56 | 07:58 | |
| 4 | C1.01 | 2018/05/28 | 16:29 | 16:36 | 16:39 | |
| 5 | B7.07 | 2018/05/31 | 00:59 | 01:08 | 01:21 | |
| 6 | B4.05 | 2018/06/01 | 06:05 | 06:10 | 06:16 | |
| 7 | B4.04 | 2018/06/02 | 18:22 | 18:41 | 18:46 | |
| 8 | B3.9 | 2018/05/31 | 22:56 | 23:02 | 23:07 | |
| 9 | B3.81 | 2018/05/29 | 00:36 | 00:40 | 00:47 | |
| 10 | B3.69 | 2018/05/31 | 10:40 | 10:58 | 11:07 |
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) 1AR4392 (including CMEs) 113CH 31 HSS 17Growth of Cycle 25 987Incoming & Unnumbered Active Regions 224
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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 | 2026/03/14 | Kp6 (G2) |
| 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 | 82.4 +4.2 |
| Last 30 days | 62.7 -52.5 |