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Sunspot region AR13451

Number of
sunspots		 Size Class Magn. Class Spot Location
2023/09/30 8 80 DAI N15E61
2023/10/01 7 50 DRI N17E48
2023/10/02 7 30 DRI N17E34
2023/10/03 8 50 DSO N16E22
2023/10/04 8 70 DSO N03E08
2023/10/05 18 140 DAI N12W06
2023/10/06 17 160 DAI N16W21
2023/10/07 22 180 EAI N16W33
2023/10/08 21 240 EAI N16W45
2023/10/09 14 240 EAI N17W60
2023/10/10 5 270 EKI N18W74
2023/10/11 3 270 EKI N17W89
2023/10/12 3 270 EKI N16W0*
CM
394

The top 10 solar flares from sunspot region 13451

Start Maximum End
1M2.32023/10/1012:0812:1712:29
2M1.612023/10/1001:5502:0902:22
3M1.22023/09/3016:1616:3516:49
4M1.12023/10/1204:5004:5805:05
5C9.12023/10/0918:5219:1119:28
6C7.52023/10/0911:2811:4311:57
7C7.22023/10/1109:2909:3709:47
8C6.62023/10/1122:0322:1222:16
9C6.42023/10/0908:3408:3808:43
10C6.32023/09/3015:5716:0716:14
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Space weather facts

Last X-flare2026/03/30X1.4
Last M-flare2026/03/28M1.3
Last geomagnetic storm2026/03/25Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202688.4 +10.2
Last 30 days88.4 +14.9

This day in history*

Solar flares
12022M9.67
22000M5.89
32001M3.06
42000M2.9
52000M2.71
DstG
12001-387G4
21960-191G4
31989-100G2
41990-88
52003-78G2
*since 1994

Aurora on this day in history

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
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