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Sunspot region AR9972

Number of
sunspots		 Size Class Magn. Class Spot Location
2002/05/29 6 50 CAO S21E56
2002/05/30 9 90 DAO S21E44
2002/05/31 11 110 DSO S21E31
2002/06/01 11 100 CAO S21E17
2002/06/02 10 70 DSO S21E04
2002/06/03 4 30 DSO S20W11
2002/06/04 3 20 CRO S21W23
2002/06/05 1 0 AXX S21W36
CM
11

The top 2 solar flares from sunspot region 9972

Start Maximum End
1M1.172002/05/2904:2505:1905:42
2C52002/05/3016:1416:2616:44
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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 2026121 +35.1
Last 30 days101.1 +44.7

This day in history*

Solar flares
12000M2.97
22023M2.9
32000M2.66
42015M2.06
51999M1.66
DstG
11995-102G1
21984-99G2
32000-87
41959-71G1
51960-64
*since 1994

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