Sunspot region AR10621
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/05/30 | 5 | 110 | DAI | S14E62 | |
| 2004/05/31 | 14 | 140 | DAC | S15E51 | |
| 2004/06/01 | 16 | 100 | DAI | S15E38 | |
| 2004/06/02 | 18 | 70 | DSO | S16E25 | |
| 2004/06/03 | 19 | 60 | DAO | S14E12 | |
| 2004/06/04 | 30 | 90 | DAI | S14W01 | |
| 2004/06/05 | 21 | 50 | CSI | S14W15 | |
| 2004/06/06 | 11 | 30 | CAO | S14W28 | |
| 2004/06/07 | 7 | 20 | CSO | S14W41 | |
| 2004/06/08 | 5 | 10 | BXO | S14W57 | |
| 2004/06/09 | 2 | 20 | AXX | S14W70 |
| B | C |
|---|---|
| 15 | 2 |
The top 10 solar flares from sunspot region 10621
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.63 | 2004/06/07 | 22:27 | 00:45 | 01:23 | |
| 2 | C1.15 | 2004/06/08 | 18:41 | 18:47 | 18:51 | |
| 3 | B5.77 | 2004/06/10 | 02:56 | 03:12 | 03:41 | |
| 4 | B5.04 | 2004/06/01 | 20:33 | 20:39 | 20:48 | |
| 5 | B4.08 | 2004/06/09 | 17:00 | 17:14 | 17:40 | |
| 6 | B3.56 | 2004/06/03 | 12:24 | 12:28 | 12:30 | |
| 7 | B3.18 | 2004/06/02 | 13:27 | 13:31 | 13:36 | |
| 8 | B3.04 | 2004/06/07 | 23:48 | 23:52 | 23:54 | |
| 9 | B2.87 | 2004/06/08 | 10:38 | 10:49 | 10:56 | |
| 10 | B2.75 | 2004/06/02 | 17:44 | 17:47 | 17:50 |
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
Yes, we really went to the moon before. 2AR4366 1026Filaments and prominences 487Do the high-resolution sunspot counts point to more complex sunspots? 62AR 4373 4
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|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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