SpaceWeatherLive .com
Real-time auroral and solar activity

Sunspot region AR8487

Number of
sunspots		 Size Class Magn. Class Spot Location
1999/03/12 3 20 BXO N17E63
1999/03/13 8 90 CAO N17E51
1999/03/14 16 100 DAO N17E39
1999/03/15 20 190 ESI N16E25
1999/03/16 18 200 EAI N16E11
1999/03/17 22 180 ESI N17W01
1999/03/18 21 180 ESI N17W15
1999/03/19 17 150 CSO N17W25
1999/03/20 2 160 HAX N16W45
1999/03/21 3 100 HSX N17W59
1999/03/22 2 90 CSO N17W72
1999/03/23 2 30 BXO N16W86
CM
124

The top 10 solar flares from sunspot region 8487

Start Maximum End
1M2.831999/03/1320:2220:3420:39
2M1.71999/03/1409:0810:1010:25
3M1.351999/03/1217:2017:2617:32
4M1.071999/03/1413:3813:5014:11
5C8.841999/03/1120:3020:3420:36
6C7.211999/03/1108:2108:2508:27
7C4.611999/03/1220:3320:3820:40
8C3.911999/03/1305:0605:1605:30
9C3.341999/03/1206:4606:5106:53
10C2.961999/03/1111:5411:5711:59
Back to top

Latest news

Latest forum messages

Filaments and prominences 488AR 13901 90Incoming & Unnumbered Active Regions 1245Sunspot Latitudes at or near Solar Maximum 76The Rotations of AR 13780 and AR 13902 1
More topics

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%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days155.2 +4.4

This day in history*

Solar flares
12012M5.08
21999M4.93
31999M3.27
42000M2.33
52012M2.11
DstG
12003-309G3
21991-135G3
32002-128G3
41960-111G2
51970-110G2
*since 1994

Social networks

SpaceWeatherLive