Viewing archive of Thursday, 20 January 2005
| Sunspot number | New regions | Background flux | C | X |
|---|---|---|---|---|
| 61 -5 | 0 | B8.7 | 5 | 1 |
Solar flares
| Region | Start | Maximum | End | |
|---|---|---|---|---|
| 0720 | C1.6 | 00:37 | 00:47 | 00:56 |
| 0720 | C4.8 | 03:21 | 03:30 | 03:36 |
| 0720 | X7.1 Play | 06:36 | 07:01 | 07:26 |
| 0720 | C8.0 | 16:08 | 16:14 | 16:19 |
| 0720 | C3.6 | 18:13 | 18:16 | 18:19 |
| 0720 | C4.5 | 21:47 | 21:53 | 21:56 |
Latest news
Saturday, 20 April 2019 - 18:02 UTC
Coronal hole faces Earth
Friday, 5 April 2019 - 14:44 UTC
New page: GOES solar images
Tuesday, 2 April 2019 - 17:19 UTC
April Fools, Coronal hole faces Earth
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- Does Solar & Geomagnetic Activity Affect Health? 22
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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: | 2019/03/17 | Kp5 (G1) |
| Number of spotless days in 2019: | 64 | |
| Current stretch spotless days: | 3 | |