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Sunspot region AR13873

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/10/24 3 240 DAI S10E77
2024/10/25 5 120 DAI S10E63
2024/10/26 5 120 DAI S10E49
2024/10/27 5 90 CAO S10E35
2024/10/28 15 100 CAI S12E21
2024/10/29 10 70 CAO S08W36
2024/10/30 9 40 HAX S08W06
2024/10/31 4 40 CAO S12W18
2024/11/01 1 30 HAX S12W29
2024/11/02 1 20 HAX S10W45
2024/11/03 2 20 HAX S10W58
2024/11/04 1 20 HRX S08W73
2024/11/05 1 10 AXX S09W84
CMX
231

The top 6 solar flares from sunspot region 13873

Start Maximum End
1X1.862024/10/2605:5707:1707:56
2M9.52024/10/2605:5706:2306:32
3M1.12024/10/2507:2307:3307:38
4M1.12024/10/2916:2116:3316:41
5C4.02024/10/2603:5804:0904:13
6C2.72024/10/2517:2217:2717:31
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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 2026128.3 +42.3
Last 30 days98.2 +38.5

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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