Sunspot region AR12378
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/07/03 | 4 | 40 | CSO | S15E64 | |
| 2015/07/04 | 5 | 80 | DSO | S17E56 | |
| 2015/07/05 | 4 | 90 | CSO | S16E44 | |
| 2015/07/06 | 6 | 70 | CSO | S17E32 | |
| 2015/07/07 | 3 | 60 | HAX | S17E18 | |
| 2015/07/08 | 3 | 50 | HSX | S17E03 | |
| 2015/07/09 | 4 | 50 | HSX | S16W09 | |
| 2015/07/10 | 2 | 20 | HSX | S10W23 | |
| 2015/07/11 | 3 | 10 | BXO | S15W33 | |
| 2015/07/12 | 1 | 10 | AXX | S16W49 |
2015/07/03
2015/07/04
2015/07/05
2015/07/06
2015/07/07
2015/07/08
2015/07/09
2015/07/10
2015/07/11
2015/07/12
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2015/07/03
2015/07/04
2015/07/05
2015/07/06
2015/07/07
2015/07/08
2015/07/09
2015/07/10
2015/07/11
2015/07/12
|
| B | C | M |
|---|---|---|
| 3 | 8 | 1 |
The top 10 solar flares from sunspot region 12378
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.23 | 2015/07/03 | 12:47 | 12:51 | 12:53 | |
| 2 | C8.04 | 2015/07/03 | 02:54 | 03:05 | 03:09 | |
| 3 | C4.9 | 2015/07/03 | 09:10 | 09:19 | 09:24 | |
| 4 | C2.84 | 2015/07/03 | 05:49 | 05:55 | 06:02 | |
| 5 | C2.43 | 2015/07/03 | 11:14 | 11:24 | 11:32 | |
| 6 | C1.86 | 2015/07/03 | 20:44 | 20:51 | 20:57 | |
| 7 | C1.52 | 2015/07/04 | 00:01 | 00:08 | 00:17 | |
| 8 | C1.11 | 2015/07/03 | 18:14 | 18:20 | 18:27 | |
| 9 | C1.05 | 2015/07/03 | 11:56 | 11:59 | 12:07 | |
| 10 | B9.22 | 2015/07/05 | 06:52 | 07:00 | 07:08 |
Latest news
Monday, 30 March 2026
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Tuesday, 17 March 2026
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 128.3 +42.3 |
| Last 30 days | 98.2 +38.5 |
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