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Sunspot region AR11152

Number of
sunspots		 Size Class Magn. Class Spot Location
2011/02/04 6 10 BXO S18E11
2011/02/05 6 30 CRO S18W01
2011/02/06 3 15 BXO S18W14
2011/02/07 5 15 BXO S20W26
BC
71

The top 8 solar flares from sunspot region 11152

Start Maximum End
1C1.342011/02/0412:1312:2012:26
2B9.712011/02/0419:3019:3919:48
3B52011/02/0500:0300:0700:11
4B3.712011/02/0407:2907:4007:49
5B2.742011/02/0401:3701:4301:57
6B2.642011/02/0317:2817:3517:41
7B1.72011/02/0417:3017:3617:40
8B1.462011/02/0403:5904:1004:15
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Last X-flare2026/03/30X1.5
Last M-flare2026/03/28M1.3
Last geomagnetic storm2026/03/25Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
April 2026130 +51.8
Last 30 days91.6 +20.3

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
41976-101G1
51994-96G3
*since 1994

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