Viewing archive of Saturday, 21 August 1999

Sunspot numberNew regionsBackground fluxCM
79 140 -1C1.052

Solar flares

Region Start Maximum End
- C3.7 01:52 02:01 02:21
8674 C5.2 11:00 11:06 11:11
- C2.2 15:05 15:13 15:25
8674 M3.7 16:30 16:34 16:37
- C2.0 17:24 17:45 19:12
- M5.9 22:10 22:14 22:16
- C2.4 23:16 23:23 23:43

<< Go to daily overview page

Current data suggest that it is not possible to see aurora now at middle latitudes

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!

98%

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:2018/09/22Kp5 (G1)
Number of spotless days in 2018:152
Current stretch spotless days:12

This day in history*

Solar flares
12001X2.6
22011X1.9
32011M7.1
41997M5.9
52011M5.8
ApG
1200341G2
2199828G2
3200624G1
4201421
5201015
*since 1994

Social networks