Sunspot region AR9910

Number of
sunspots
Size Class Magn. Class Spot Location
2002/04/16 5 30 BXO S21E50
2002/04/17 4 30 CSO S20E37
2002/04/18 8 60 DAO S20E22
2002/04/19 18 210 DAO S20E07
2002/04/20 17 210 DAO S20W06
2002/04/21 23 180 EAO S20W18
2002/04/22 13 100 CAO S20W33
2002/04/23 6 80 CSO S21W47
2002/04/24 1 80 HSX S19W62
2002/04/25 2 80 HSX S21W74
2002/04/26 2 40 HSX S21W86

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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 2026133.3 +47.4
Last 30 days96.9 +35.1

This day in history*

Solar flares
12001X1.21
22001M7.3
32001M4.52
42013M3.28
52004M2.47
DstG
11993-165G3
21968-112G3
31978-109G1
41984-108G2
51989-101G2
*since 1994

Aurora on this day in history

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