Viewing archive of Sunday, 20 September 2015

Sunspot numberNew regionsBackground fluxCM
741B3.422

Solar flares

Region Start Maximum End
2420 M1.5 04:55 05:03 05:17
2415 C2.6 09:32 09:34 09:36
2415 B5.7 12:25 12:28 12:31
2420 B9.1 13:49 13:54 13:58
2415 C1.4 14:09 14:14 14:24
2415 M2.1 17:32 18:03 18:29
- B8.2 23:24 23:28 23:31

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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% 25%
Middle latitude 5% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
B1.4 B3.4
Moon phase
New Moon

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/09/09M1.1
Last geomagnetic storm:2017/10/15Kp5 (G1)
Number of spotless days in 2017:67
Current stretch spotless days:5

This day in history*

Solar flares
12012M9.0
22014M4.5
32014M3.9
42004M2.6
52003M1.9
ApG
1200336G2
2199534G2
3201424G1
4199822G1
5199616
*since 1994