Sunspot region AR10255

Number of
sunspots
Size Class Magn. Class Spot Location
2003/01/13 9 200 CKO S13E14
2003/01/14 9 200 CKO S13E01
2003/01/15 7 240 CKO S13W12
2003/01/16 13 160 CAO S13W23
2003/01/17 7 150 DSO S13W39
2003/01/18 6 130 CAO S12W53
2003/01/19 2 110 HAX S13W67
2003/01/20 1 130 HSX S13W81
2003/01/21 1 70 HAX S13W94
C
1

The top 1 solar flares from sunspot region 10255

Start Maximum End
1C7.642003/01/1601:0201:0801:15

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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026114.3 +28.4
Last 30 days101.8 +46.6

This day in history*

Solar flares
12001X3.14
22002X1.17
32023M2.83
42002M2.34
52000M1.23
DstG
11990-281G4
21982-137G3
31957-124G3
41959-122G4
51960-81G3
*since 1994

Aurora on this day in history

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