Sunspot region AR9871

Number of
sunspots
Size Class Magn. Class Spot Location
2002/03/14 4 150 DAO S21E70
2002/03/15 7 210 EAO S20E58
2002/03/16 6 200 ESO S20E44
2002/03/17 13 280 EAO S21E31
2002/03/18 15 330 ESO S18E20
2002/03/19 18 330 EAO S19E07
2002/03/20 14 260 EAO S19W06
2002/03/21 14 240 EAO S19W19
2002/03/22 15 240 EKO S18W32
2002/03/23 7 200 EAO S19W47
2002/03/24 5 170 DSO S18W60
2002/03/25 6 100 DAO S18W72
2002/03/26 3 50 DSO S17W87
CM
74

The top 10 solar flares from sunspot region 9871

Start Maximum End
1M5.822002/03/1719:2419:3119:34
2M2.182002/03/1223:0123:1323:24
3M1.472002/03/1323:0223:3500:00
4M1.282002/03/1819:0619:1819:22
5C7.012002/03/1416:4416:5317:01
6C6.492002/03/1717:0117:0517:07
7C5.132002/03/1816:2016:2516:28
8C4.432002/03/1704:5204:5805:01
9C4.162002/03/1611:2011:2411:27
10C3.12002/03/1821:4721:5221:55

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Last X-flare2025/12/01X1.9
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Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
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Last 30 days106.3 +12.6

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