Viewing archive of Thursday, 17 October 2013

Sunspot numberNew regionsBackground fluxCM
1663B8.651

Solar flares

Region Start Maximum End
- C4.7 03:20 03:28 03:35
1861 C1.2 06:07 06:12 06:17
1861 C5.8 10:25 10:32 10:37
1861 C4.8 11:47 12:04 12:15
1861 M1.2 15:09 15:41 15:58
- C1.6 22:18 22:24 22:32

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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 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
Last spotless day:2017/11/13

This day in history*

Solar flares
12013X1.0
22003M1.7
32000C9.1
42003C9.1
52003C8.8
ApG
1199422G1
2200120
3200214
4200312
5199912
*since 1994