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Sunspot region AR13945

Number of
sunspots		 Size Class Magn. Class Spot Location
2025/01/01 6 170 EAI S10E60
2025/01/02 12 310 EKI S09E46
2025/01/03 15 350 DKI S10E33
2025/01/04 16 160 DAI S12E17
2025/01/05 12 80 CAI N07E04
2025/01/06 5 80 CAI S07W08
2025/01/07 6 70 CAO S09W23
2025/01/08 6 30 CRO S11W37
2025/01/09 4 20 CRO S10W49
2025/01/10 2 20 BXO S08W61
2025/01/11 2 10 BXO S07W74
C
6

The top 6 solar flares from sunspot region 13945

Start Maximum End
1C5.12025/01/0113:4913:5314:03
2C5.02024/12/3114:4414:5215:06
3C3.82025/01/0803:5304:0304:09
4C3.22025/01/0607:4207:5107:57
5C3.22025/01/0721:1721:2821:36
6C1.72025/01/1005:4005:4906:00
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AR4419 135Unspecified geomagnetic activity 155AR4425 3Comet C/2025 R3 (PANSTARRS) 11AR4420 107
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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/04/24M6.5
Last geomagnetic storm2026/04/20Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202678.1 -7.8
Last 30 days88.9 +12.3

This day in history*

Solar flares
12014X1.99
22001M3.98
32004M3.25
42003M1.84
52024M1.3
DstG
11979-149G4
21989-108G2
31960-97G3
41982-78G3
51984-71G2
*since 1994

Aurora on this day in history

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