Sunspot region AR9451

Number of
sunspots
Size Class Magn. Class Spot Location
2001/05/05 1 80 HAX S22E76
2001/05/06 1 160 HAX S22E65
2001/05/07 1 70 HAX S20E52
2001/05/08 2 120 HSX S21E38
2001/05/09 3 120 HAX S21E26
2001/05/10 6 140 CAO S21E13
2001/05/11 6 130 CAO S21E00
2001/05/12 7 130 CKO S22W12
2001/05/13 4 130 CSO S21W26
2001/05/14 6 120 DSO S22W39
2001/05/15 5 120 DSO S22W52
2001/05/16 1 120 HSX S21W68
2001/05/17 1 110 HAX S20W81
2001/05/18 1 60 HAX S20W93
C
1

The top 1 solar flares from sunspot region 9451

Start Maximum End
1C2.682001/05/1705:4405:5106:02

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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/04M1.0
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 2026118.8 +32.8
Last 30 days102.1 +47

This day in history*

Solar flares
12001X1.14
22000M4.54
32003M3.68
42002M3.12
52002M1.68
DstG
11984-100G3
21971-97G2
32006-82G2
41959-73G2
51995-68G1
*since 1994

Aurora on this day in history

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