Viewing archive of Friday, 20 August 1999

Sunspot numberNew regionsBackground fluxMaximum fluxCM
65 -31C1.8M9.8453

Solar flares

RegionStartMaximumEnd
-C4.1 00:0300:2201:26
-C2.5 05:4805:5306:01
-C6.0 07:1607:2607:45
8674M1.8 12:3614:1817:06
8674M1.2 18:2518:2918:32
8674C7.8 19:2119:2719:32
-C5.1 20:5421:0121:06
8674M9.8 23:0323:0823:10

<< 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:2019/08/05Kp5 (G1)
Number of spotless days in 2019:163
Current stretch spotless days:19

This day in history*

Solar flares
12001X5.3
22005M6.4
32014M3.9
41999M3.6
52014M2.0
ApG
1200522G1
2200320G1
3201018G1
4199616
5199515
*since 1994

Social networks