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Sunspot region AR10227

Number of
sunspots		 Size Class Magn. Class Spot Location
2002/12/14 3 10 BXO N05E34
2002/12/15 4 30 CSO N06E21
2002/12/16 8 50 DSI N06E08
2002/12/17 9 70 DRI N07W07
2002/12/18 19 90 DAO N07W20
2002/12/19 7 70 CAO N07W34
2002/12/20 4 30 CAO N07W47
2002/12/21 1 10 AXX N07W63
2002/12/22 1 40 HSX N07W76
CM
31

The top 4 solar flares from sunspot region 10227

Start Maximum End
1M1.842002/12/1623:3323:3623:40
2C8.512002/12/1710:0010:0610:09
3C7.612002/12/1704:5905:0605:13
4C5.962002/12/1707:4708:0208:30
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Last X-flare2026/04/24X2.5
Last M-flare2026/04/25M1.1
Last geomagnetic storm2026/04/20Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202680 -5.9
Last 30 days89.2 +10.2

This day in history*

Solar flares
12001X1.13
22003X1
32003M3.71
42003M3.05
52003M3.02
DstG
11989-132G3
21984-93G4
31981-85G3
41979-80
51960-72
*since 1994

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