Viewing archive of Thursday, 13 September 2001

Sunspot numberNew regionsBackground fluxC
2232C1.79

Solar flares

Region Start Maximum End
- C3.7 00:34 00:37 00:41
- C7.0 01:21 01:25 01:28
9616 C6.6 02:00 02:07 02:17
9608 C4.6 03:51 03:54 03:59
9610 C2.4 13:03 13:06 13:07
9610 C2.4 13:10 13:12 13:14
9610 C7.0 15:57 16:02 16:04
- C5.8 19:48 19:51 19:54
- C2.4 23:03 23:09 23:15
Current data suggest that it is not possible to see aurora now at middle latitudes
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% 45%
Middle latitude 20% 5%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
B1.7
Moon phase
Waxing Crescent

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1%

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/01/14Kp5 (G1)
Number of spotless days in 2018:6
Last spotless day:2018/01/14

This day in history*

Solar flares
12005X7.1
22001M7.7
32004M6.1
41999M5.2
52010M3.4
ApG
1201626G1
2200319G1
3200418
4200517G1
5199815
*since 1994

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