Sunspot region AR13172
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2022/12/21 | 1 | 20 | HSX | S35E61 | |
| 2022/12/22 | 2 | 30 | CSO | S34E49 | |
| 2022/12/23 | 3 | 20 | CRO | S35E37 | |
| 2022/12/24 | 2 | 30 | HSX | S35E24 | |
| 2022/12/25 | 4 | 40 | CRO | S37E14 | |
| 2022/12/26 | 4 | 10 | BXO | S35E02 | |
| 2022/12/27 | 2 | 20 | BXO | S36W05 | |
| 2022/12/29 | 4 | 10 | BXO | S35W36 | |
| 2022/12/30 | 1 | 10 | AXX | S25W48 | |
| 2022/12/31 | 1 | 10 | AXX | S35W64 |
2022/12/21
2022/12/22
2022/12/23
2022/12/24
2022/12/25
2022/12/26
2022/12/27
2022/12/29
2022/12/30
2022/12/31
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2022/12/21
2022/12/22
2022/12/23
2022/12/24
2022/12/25
2022/12/26
2022/12/27
2022/12/29
2022/12/30
2022/12/31
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 13172
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.9 | 2022/12/29 | 14:01 | 14:11 | 14:21 | |
| 2 | C2.9 | 2022/12/29 | 21:07 | 21:21 | 21:31 |
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
Incoming & Unnumbered Active Regions 238CMes from ar 4392 (19-21st of march) 267Growth of Cycle 25 994AR4401 15Space Weather Watch App 4
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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 | 2026/03/23 | 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 | 77.7 -0.5 |
| Last 30 days | 72.3 -15.7 |