Viewing archive of Friday, 18 March 2005
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 37 2 | 0 | B1.6 | C1.3 | 1 |
Solar flares
| Region | Start | Maximum | End | |
|---|---|---|---|---|
| 0743 | C1.3 | 02:26 | 02:35 | 02:37 |
| 0743 | B5.3 | 03:41 | 03:49 | 03:59 |
| 0743 | B4.9 | 12:37 | 12:43 | 12:50 |
| - | B5.8 | 13:06 | 13:10 | 13:14 |
| 0743 | B8.7 | 13:14 | 13:23 | 13:27 |
| 0743 | B3.2 | 15:11 | 15:14 | 15:16 |
| 0743 | B2.8 | 15:58 | 16:02 | 16:07 |
| 0743 | B3 | 16:22 | 16:26 | 16:30 |
| 0743 | B4.1 | 19:22 | 19:32 | 19:38 |
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Space weather facts
| Last X-flare: | 2017/09/10 | X8.2 |
| Last M-flare: | 2017/10/20 | M1.0 |
| Last geomagnetic storm: | 2020/02/19 | Kp5 (G1) |
| Number of spotless days in 2020: | 74 | |
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