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Sunspot region AR10903

Number of
sunspots		 Size Class Magn. Class Spot Location
2006/08/09 2 40 CRO S09E56
2006/08/10 4 30 BXO S09E43
2006/08/11 6 10 BXO S09E29
2006/08/12 3 10 BXO S12E14
2006/08/15 1 10 AXX S08W26
BC
41

The top 5 solar flares from sunspot region 10903

Start Maximum End
1C5.472006/08/1911:1611:2411:29
2B82006/08/1912:4012:4412:46
3B7.392006/08/0909:2709:4210:03
4B2.652006/08/0903:0703:1203:16
5B1.822006/08/1820:0020:0420:06
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Unspecified geomagnetic activity 284Incoming & Unnumbered Active Regions 440Forum messages 18AR4455 24AR4446 (including AR4448/4449) 46
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Last X-flare2026/04/24X2.5
Last M-flare2026/05/29M1.1
Last geomagnetic storm2026/05/16Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (2%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
April 202679.3 -6.6
May 202699.1 +19.8
Last 30 days99.1 +7.5

This day in history*

Solar flares
12003X1.33
22024X1.18
32025M8.2
42025M4.62
52023M4.2
DstG
11958-165G4
21967-102G3
31991-84G3
42005-78
51966-69G2
*since 1994

Aurora on this day in history

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