Viewing archive of Friday, 17 April 2015

Sunspot numberNew regionsBackground fluxMaximum fluxC
93 81B5.4C2.63396

Solar flares

RegionStartMaximumEnd
2325C2.6 01:0901:3701:44
2324C1.1 04:4604:5705:02
2324C1.5 05:2305:2805:32
2325C1.1 09:2709:3209:39
2325C1.0 12:3112:3712:44
2324C1.2 17:5718:0118:03

<< 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!

100%

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:2019/07/10Kp5 (G1)
Number of spotless days in 2019:131
Current stretch spotless days:13

This day in history*

Solar flares
12002X3.3
22004M8.6
32000M5.0
42000M3.6
52002C9.6
ApG
1200036G2
2201622G1
3200520G1
4201118
5200218
*since 1994

Social networks