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Sunspot region AR12338

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/05/04 2 10 AXX N04E56
2015/05/05 4 20 BXO N04E42
2015/05/06 7 70 DSO N03E29
2015/05/07 7 90 DAO N04E15
2015/05/08 4 40 DAO N03E02
2015/05/09 7 50 DSO N04W11
2015/05/10 4 20 CRO N05W24
C
4

The top 4 solar flares from sunspot region 12338

Start Maximum End
1C7.342015/05/0503:5104:0304:08
2C4.382015/05/0402:4903:0303:12
3C2.32015/05/1106:4206:4806:57
4C1.12015/05/0405:5706:0006:02
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Last X-flare2026/03/30X1.5
Last M-flare2026/04/04M1.0
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 2026121 +35.1
Last 30 days102.1 +47

This day in history*

Solar flares
12001X1.14
22000M4.54
32003M3.68
42002M3.12
52002M1.68
DstG
11984-100G3
21971-97G2
32006-82G2
41959-73G2
51995-68G1
*since 1994

Aurora on this day in history

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