Sunspot region AR11035

Number of
sunspots
Size Class Magn. Class Spot Location
2009/12/15 4 20 BXO N31E07
2009/12/16 16 120 DAI N30W05
2009/12/17 20 140 EAC N30W18
2009/12/18 14 210 EAC N30W32
2009/12/19 10 310 ESI N30W45
2009/12/20 8 220 EHO N30W56
2009/12/21 4 310 EHO N31W70
2009/12/22 2 90 FSO N31W85
BCM
2061

The top 10 solar flares from sunspot region 11035

Start Maximum End
1M1.082009/12/1818:4818:5518:58
2C7.572009/12/1601:0201:2401:35
3C5.292009/12/1612:3613:0213:20
4C4.32009/12/1900:1000:1400:17
5C1.382009/12/1715:0115:1315:17
6C1.312009/12/1901:3601:5301:55
7C1.232009/12/1608:3408:3708:39
8B8.062009/12/1802:0402:1302:17
9B7.72009/12/1818:2018:2718:30
10B7.372009/12/1816:1016:2316:31

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Space weather facts

Last X-flare2026/03/30X1.4
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
Last 30 days90 +16.9

This day in history*

Solar flares
12001M7.89
22017M6.34
32001M5.75
42025M5.6
52024M3.9
DstG
11960-327G4
22001-228G2
31976-218G4
41973-211G4
51989-93G2
*since 1994

Aurora on this day in history

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