Sunspot region AR10373
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/05/28 | 1 | 120 | HAX | N08E81 | |
| 2003/05/29 | 2 | 130 | HSX | N08E66 | |
| 2003/05/30 | 3 | 110 | CSO | N08E53 | |
| 2003/05/31 | 1 | 80 | HSX | N08E41 | |
| 2003/06/01 | 1 | 110 | HSX | N08E28 | |
| 2003/06/02 | 7 | 120 | CSO | N07E15 | |
| 2003/06/03 | 10 | 160 | CSO | N06E00 | |
| 2003/06/04 | 7 | 130 | DSO | N07W14 | |
| 2003/06/05 | 5 | 130 | DAO | N07W28 | |
| 2003/06/06 | 4 | 110 | CSO | N07W40 | |
| 2003/06/07 | 2 | 80 | CSO | N07W52 | |
| 2003/06/08 | 1 | 70 | HSX | N08W65 | |
| 2003/06/09 | 1 | 100 | HSX | N07W78 | |
| 2003/06/10 | 1 | 70 | HSX | N04W92 |
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 10373
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7 | 2003/05/30 | 08:49 | 09:19 | 09:46 | |
| 2 | C5.14 | 2003/05/31 | 00:21 | 00:29 | 00:51 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
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Monday, 19 January 2026
CME impact! S4 solar radiation storm
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
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| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 84 +5.8 |
| Last 30 days | 84 +6.2 |
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