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Sunspot region AR12366

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/06/08 3 20 CRO N17E45
2015/06/09 4 20 CRO N17E33
2015/06/10 5 20 CRO N17E19
2015/06/11 9 40 DAO N17E05
2015/06/12 8 60 DAO N17W08
2015/06/13 8 50 DAI N17W20
2015/06/14 10 60 CAI N17W33
2015/06/15 6 10 BXO N16W45
2015/06/16 1 0 AXX N16W57
BC
11

The top 2 solar flares from sunspot region 12366

Start Maximum End
1C1.712015/06/1006:2606:4907:19
2B8.512015/06/0822:5522:5823:01
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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026114.3 +28.4
Last 30 days101.8 +46.6

This day in history*

Solar flares
12013M9.34
22024M5.47
32001M3.41
42000M1.63
52000M1.5
DstG
12001-271G4
21990-190G3
31978-114G4
41982-110G2
51959-88G1
*since 1994

Aurora on this day in history

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