Sunspot region AR11909

Number of
sunspots
Size Class Magn. Class Spot Location
2013/11/28 2 140 DSO S18E69
2013/11/29 9 300 DKC S18E59
2013/11/30 14 320 DKC S18E45
2013/12/01 17 330 DKC S18E31
2013/12/02 23 350 DKC S18E20
2013/12/03 27 330 EKC S17E06
2013/12/04 17 250 EKC S18W07
2013/12/05 11 250 EKC S17W20
2013/12/06 19 200 DAI S17W34
2013/12/07 10 140 DSO S17W50
2013/12/08 7 100 CSO S17W61
2013/12/09 1 50 HSX S19W79
2013/12/10 1 40 HSX S19W93
2013/12/11 1 40 HSX S19W0*
BCM
161

The top 8 solar flares from sunspot region 11909

Start Maximum End
1M1.822013/12/0707:1707:2907:49
2C9.652013/12/0517:3517:4317:50
3C3.822013/12/0606:4306:4806:52
4C1.512013/11/3021:5421:5822:00
5C1.32013/12/0305:5406:1506:50
6C1.22013/11/3014:5414:5915:12
7C1.172013/11/3014:2314:2914:40
8B9.12013/11/3011:1611:2111:26
Currently there's no noteworthy space weather

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/22M1.3
Last geomagnetic storm2025/04/21Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025126.2 -8
Last 30 days126.5 -1

This day in history*

Solar flares
11998M9.27
22024M3.71
32024M2.53
41999M1.7
52003M1.69
DstG
11960-99G2
21990-98G1
31991-97G3
41983-86G2
51979-75G2
*since 1994

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