Viewing archive of Thursday, 21 March 2013

Sunspot numberNew regionsBackground fluxCM
601B2.841

Solar flares

Region Start Maximum End
1692 B6.7 07:20 07:25 07:28
1692 B4.2 10:30 10:34 10:39
1692 B5.7 11:37 11:43 11:49
1692 C1.0 15:25 15:31 15:45
1692 B6.4 16:46 16:57 17:07
1692 C3.5 18:10 18:22 18:28
1692 C1.9 20:20 20:29 20:40
- C1.1 21:17 21:21 21:24
1692 M1.6 21:42 22:04 22:36

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Current data suggest that it is not possible to see aurora now at middle latitudes

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Today's space weather

Auroral activity Minor Severe
High latitude 25% 20%
Middle latitude 1% 1%
Predicted Kp max 2
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
New Moon

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Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2017/04/03M5.8
Last geomagnetic storm:2017/06/16Kp5 (G1)
Number of spotless days in 2017:42
Last spotless day:2017/06/12

This day in history*

Solar flares
12015M7.9
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32000M1.9
42000C7.7
51998C6.5
ApG
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2200316
3199516G1
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*since 1994