Sunspot region AR13377
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/07/17 | 1 | 30 | DSO | S09E71 | |
| 2023/07/18 | 2 | 210 | DSO | S09E59 | |
| 2023/07/19 | 4 | 240 | DSO | S08E46 | |
| 2023/07/20 | 5 | 240 | DSO | S09E35 | |
| 2023/07/21 | 5 | 210 | DSO | S09E20 | |
| 2023/07/22 | 4 | 200 | DAO | S08E08 | |
| 2023/07/23 | 3 | 200 | DSO | S09W06 | |
| 2023/07/24 | 5 | 260 | DHO | S11W27 | |
| 2023/07/25 | 3 | 260 | DHO | S11W40 | |
| 2023/07/26 | 3 | 230 | DAO | S09W49 | |
| 2023/07/27 | 2 | 220 | DSO | S09W62 | |
| 2023/07/28 | 2 | 200 | DSO | S08W74 | |
| 2023/07/29 | 2 | 140 | DSO | S08W88 | |
| 2023/07/30 | 2 | 140 | DSO | S08W0* |
2023/07/17
2023/07/18
2023/07/19
2023/07/20
2023/07/21
2023/07/22
2023/07/23
2023/07/24
2023/07/25
2023/07/26
2023/07/27
2023/07/28
2023/07/29
2023/07/30
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2023/07/17
2023/07/18
2023/07/19
2023/07/20
2023/07/21
2023/07/22
2023/07/23
2023/07/24
2023/07/25
2023/07/26
2023/07/27
2023/07/28
2023/07/29
2023/07/30
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 13377
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.2 | 2023/07/17 | 18:18 | 18:29 | 18:38 | |
| 2 | C2.2 | 2023/07/20 | 05:57 | 06:04 | 06:08 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
Unspecified geomagnetic activity 211AR 4432 1SWPC Display bug or other issues 35AR4431 15Incoming & Unnumbered Active Regions 316
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/04 | M1.9 |
| Last geomagnetic storm | 2026/05/04 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 143 +63.7 |
| Last 30 days | 92.9 -5 |
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