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Sunspot region AR13874

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/10/25 6 20 CRO N27E19
2024/10/26 10 30 CAO N27E06
2024/10/27 10 70 DAI N27W08
2024/10/28 25 120 DAI N15W19
2024/10/29 25 190 DAC N27W31
2024/10/30 12 140 EAI N27W44
2024/10/31 7 200 EAI N25W59
2024/11/01 7 180 EAO N25W74
2024/11/02 5 140 EAO N24W86
2024/11/03 5 140 EAO N26W0*
C
2

The top 2 solar flares from sunspot region 13874

Start Maximum End
1C7.42024/10/2715:2315:3515:42
2C7.02024/10/2809:0109:1309:25
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Space weather facts

Last X-flare2026/02/04X4.21
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 202684 +5.8
Last 30 days84 +6.2

This day in history*

Solar flares
12024X1.12
22025X1.1
32025X1.1
42024M9.7
52024M7.1
DstG
11959-176G3
21957-141G3
31984-105G3
42001-87G2
51976-78
*since 1994

Aurora on this day in history

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