Viewing archive of Tuesday, 9 August 2011

Sunspot numberNew regionsBackground fluxCMX
540B4.3511

Solar flares

Region Start Maximum End
1263 M2.5 03:19 03:54 04:08
1263 C1.4 07:19 07:23 07:27
1263 X6.9 Play 07:48 08:05 08:08
1263 C2.2 13:29 13:45 13:57
1263 C2.4 15:43 15:54 16:04
- B8.6 16:58 17:02 17:05
- C2.0 18:04 18:11 18:42
1263 C3.9 23:33 23:43 23:49

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

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 30% 35%
Middle latitude 15% 1%
Predicted Kp max 4
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:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2017/11/08Kp6 (G2)
Number of spotless days in 2017:81
Current stretch spotless days:2

This day in history*

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12013X1.0
22003M1.7
32000C9.1
42003C9.1
52003C8.8
ApG
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2200120
3200214
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*since 1994