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

<< Go to daily overview page

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% 30%
Middle latitude 10% 1%
Predicted Kp max 3
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waxing Crescent

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

17%

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/02/19Kp5 (G1)
Number of spotless days in 2018:21
Current stretch spotless days:4

This day in history*

Solar flares
12002M4.4
22002M3.9
32000M1.8
42002M1.4
51999M1.3
ApG
1199495G4
2200021G1
3200619
4200314
5201410
*since 1994

Social networks