Sunspot region AR12846
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/07/19 | 1 | 30 | HSX | N25E76 | |
| 2021/07/20 | 5 | 90 | CSO | N19E61 | |
| 2021/07/21 | 7 | 90 | CSO | N25E47 | |
| 2021/07/22 | 4 | 100 | CRO | N26E35 | |
| 2021/07/23 | 3 | 40 | CRO | N22E21 | |
| 2021/07/24 | 3 | 30 | CRO | N25E07 | |
| 2021/07/25 | 3 | 30 | CRO | N25W05 | |
| 2021/07/26 | 4 | 10 | BXO | N24W20 | |
| 2021/07/27 | 4 | 0 | BXO | N24W34 | |
| 2021/07/28 | 4 | 0 | BXO | N24W47 |
2021/07/19
2021/07/20
2021/07/21
2021/07/22
2021/07/23
2021/07/24
2021/07/25
2021/07/26
2021/07/27
2021/07/28
|
2021/07/19
2021/07/20
2021/07/21
2021/07/22
2021/07/23
2021/07/24
2021/07/25
2021/07/26
2021/07/27
2021/07/28
|
| B |
|---|
| 11 |
The top 10 solar flares from sunspot region 12846
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B7.1 | 2021/07/28 | 07:24 | 07:38 | 07:43 | |
| 2 | B5.6 | 2021/07/20 | 20:12 | 20:24 | 20:31 | |
| 3 | B5.3 | 2021/07/27 | 21:40 | 21:50 | 21:57 | |
| 4 | B5.2 | 2021/07/27 | 19:15 | 19:23 | 19:29 | |
| 5 | B3.0 | 2021/07/28 | 13:53 | 14:00 | 14:05 | |
| 6 | B1.7 | 2021/07/28 | 21:08 | 21:14 | 21:21 | |
| 7 | B1.4 | 2021/07/28 | 05:18 | 05:26 | 05:32 | |
| 8 | B1.3 | 2021/07/28 | 23:08 | 23:12 | 23:20 | |
| 9 | B1.1 | 2021/07/28 | 05:05 | 05:11 | 05:15 | |
| 10 | B1.1 | 2021/07/28 | 05:39 | 05:44 | 05:49 |
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? 57Current Farside Activity 371Incoming & Unnumbered Active Regions 154Feb 8-9 CMEs 21AR4366 999
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 137.7 +25.1 |
| Last 30 days | 127.6 +24.1 |