SpaceWeatherLive .com
Real-time auroral and solar activity

Sunspot region AR12917

Number of
sunspots		 Size Class Magn. Class Spot Location
2021/12/22 2 10 BXO S26E30
2021/12/23 7 30 CRO S27E16
2021/12/24 9 50 CRO S28E05
2021/12/25 5 20 CRO S28W06
2021/12/29 1 10 AXX S26W62
2021/12/30 1 10 AXX S27W75
2021/12/31 1 10 AXX S27W90
BC
17

The top 8 solar flares from sunspot region 12917

Start Maximum End
1C7.52021/12/2403:2503:4203:50
2C3.12021/12/2515:4715:5816:08
3C1.92021/12/2313:2613:3113:36
4C1.82021/12/2507:1307:2607:49
5C1.42021/12/2313:1613:2213:26
6C1.42021/12/2704:0604:2004:33
7C1.32021/12/2709:4509:5309:59
8B9.92021/12/2621:3621:4421:52
Back to top

Latest news

Latest forum messages

AR 13901 82Sunspot Latitudes at or near Solar Maximum 76Incoming & Unnumbered Active Regions 1244The Rotations of AR 13780 and AR 13902 1Space Weather Memes 580
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