Sunspot region AR13901

Number of
sunspots
Size Class Magn. Class Spot Location
2024/11/18 4 150 DAO S07E67
2024/11/19 3 200 DAO S08E51
2024/11/20 10 180 DAO S09E35
2024/11/21 6 180 DAI S07E24
2024/11/22 8 150 CAO S08E08
2024/11/23 5 90 CAO S06W06
2024/11/24 10 90 CAO S07W22
2024/11/25 6 80 CAO S08W31
2024/11/26 1 100 HAX S11W46
2024/11/27 1 40 HAX S11W59
2024/11/28 1 40 HSX S09W72
2024/11/29 2 60 HSX S09W85
2024/11/30 2 60 HSX S09W99
CM
1910

The top 10 solar flares from sunspot region 13901

Start Maximum End
1M3.712024/11/1812:4212:5312:57
2M2.572024/11/1810:4110:5811:02
3M2.052024/11/1818:4519:1519:48
4M1.92024/11/2520:2420:5421:23
5M1.872024/11/1817:4317:4917:54
6M1.792024/11/1807:2507:3207:36
7M1.272024/11/1807:5407:5708:01
8M1.12024/11/2315:5416:0716:21
9M1.062024/11/1805:1305:2205:27
10M1.02024/11/2712:2712:4612:49
Currently there's no noteworthy space weather

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Friday, 21 February 2025
14:54 UTC - Solar flare

Moderate M1.41 flare

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14:39 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.41)


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Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/02/21M1.4
Last geomagnetic storm2025/02/19Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2025137 -17.5
February 2025151.4 +14.4
Last 30 days149 -14

This day in history*

Solar flares
12024X6.37
22024X1.70
32002M6.4
42024M4.8
52023M2.6
DstG
11994-144G4
21988-130G3
31973-107G2
41979-97G1
51992-97G1
*since 1994

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