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Sunspot region AR13922

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/12/10 4 20 CRO S17E58
2024/12/11 5 50 CSO S18E49
2024/12/12 5 50 CSO S18E34
2024/12/13 5 20 CSO S18E21
2024/12/14 3 10 BXO S18E11
2024/12/15 5 30 CSO S18W05
2024/12/16 10 50 DAI S18W16
2024/12/17 12 140 DAI S18W27
2024/12/18 8 200 DAI S18W41
2024/12/19 8 230 DAI S19W53
2024/12/20 10 250 EKO S19W64
2024/12/21 5 240 DAO S19W78
2024/12/22 2 120 DAO S19W90
2024/12/23 2 120 DAO S19W0*
CM
159

The top 10 solar flares from sunspot region 13922

Start Maximum End
1M6.462024/12/1006:3606:4806:55
2M2.22024/12/1217:3117:4317:50
3M22024/12/1105:5406:0406:09
4M1.62024/12/1017:5417:5818:03
5M1.62024/12/1220:5821:0721:12
6M1.52024/12/1010:5511:0211:09
7M1.442024/12/1007:0307:0907:14
8M1.02024/12/1303:1103:1803:22
9M1.02024/12/1314:1514:2414:31
10C9.72024/12/1003:1203:2703:36
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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 2026125 +39.1
Last 30 days98.7 +39

This day in history*

Solar flares
12001X8.08
22004M3.44
32023M3.01
42000M2.7
52006M2.02
DstG
12000-291G4
21977-105G3
31988-100G2
41984-86
52010-81G1
*since 1994

Aurora on this day in history

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