Sunspot region AR12379

Number of
sunspots
Size Class Magn. Class Spot Location
2015/07/04 5 10 BXO S15E45
2015/07/05 5 20 CRO S14E33
2015/07/06 7 30 DRO S15E21
2015/07/07 7 30 DRO S15E07
2015/07/08 7 20 CRO S13W07
2015/07/09 4 10 AXX S11W24
2015/07/10 3 10 BXO S09W39
2015/07/11 4 10 AXX S11W52

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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/03M1.3
Last geomagnetic storm2026/04/02Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026141 +55.1
Last 30 days94.6 +27

This day in history*

Solar flares
12001X1.77
22017M8.35
31999M6.2
42001M3.57
52017M1.81
DstG
11979-168G4
21960-151G3
31992-105G2
42004-104G2
51994-103G3
*since 1994

Aurora on this day in history

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