SpaceWeatherLive .com
Real-time auroral and solar activity

Sunspot region AR12378

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/07/03 4 40 CSO S15E64
2015/07/04 5 80 DSO S17E56
2015/07/05 4 90 CSO S16E44
2015/07/06 6 70 CSO S17E32
2015/07/07 3 60 HAX S17E18
2015/07/08 3 50 HSX S17E03
2015/07/09 4 50 HSX S16W09
2015/07/10 2 20 HSX S10W23
2015/07/11 3 10 BXO S15W33
2015/07/12 1 10 AXX S16W49
BCM
381

The top 10 solar flares from sunspot region 12378

Start Maximum End
1M2.232015/07/0312:4712:5112:53
2C8.042015/07/0302:5403:0503:09
3C4.92015/07/0309:1009:1909:24
4C2.842015/07/0305:4905:5506:02
5C2.432015/07/0311:1411:2411:32
6C1.862015/07/0320:4420:5120:57
7C1.522015/07/0400:0100:0800:17
8C1.112015/07/0318:1418:2018:27
9C1.052015/07/0311:5611:5912:07
10B9.222015/07/0506:5207:0007:08
Back to top

Latest news

Latest forum messages

Data loss sometimes on Ace and Dscovr 3AR 13961 103Filaments and prominences 62701/21/2025 AR 3967 M3.3 CME 8Unexplained proton activity 47
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!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/01/22M1.3
Last geomagnetic storm2025/01/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2024154.5 +2
January 2025145.8 -8.7
Last 30 days161.9 +43

This day in history*

Solar flares
12012X1.26
22024M5.12
32024M4.3
42003M3.59
52024M2.44
DstG
11957-114G1
22000-96G2
31979-84G1
42004-78G2
52012-71G1
*since 1994

Social networks

SpaceWeatherLive