Viewing archive of Monday, 17 September 2001

Solar flares

RegionStartMaximumEnd
-C3.9 02:0402:0702:10
-C4.9 04:2905:0205:23
-C4.4 05:4205:4605:49
9608C3.6 06:4706:5307:00
9616M1.5 08:1808:2508:34
9621C7 09:2609:4109:48
-C3.7 11:1111:1611:21
-C3.6 12:4312:5312:59
-C3.3 14:2914:3914:50
9608M8.1 15:4415:5015:54
-C4.8 19:0619:1019:17
-C3.3 19:3819:4219:46
9608C3.3 19:5620:0120:07
9616M1 21:0121:0821:11
9608M1 21:3221:4621:55

<< Go to daily overview page

Latest news

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!

12%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/02/19Kp5 (G1)
Number of spotless days in 2020:68
Current stretch spotless days:19

This day in history*

Solar flares
12001M4.3
22000M3.1
32014M2.6
42001M2.2
52014M2.0
ApG
1200144G2
2201727G1
3200327G2
4200824
5200421G1
*since 1994

Social networks