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Sunspot region AR13670

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/05/06 1 20 HAX N17E66
2024/05/07 1 40 HSX N17E54
2024/05/08 2 40 CSO N15E43
2024/05/09 1 40 HSX N16E28
2024/05/10 6 50 HAX N17E14
2024/05/11 4 30 CSO N18E03
2024/05/12 2 20 CSO N19W09
2024/05/13 5 20 DAO N20W24
2024/05/14 5 20 DAO N19W37
2024/05/15 7 10 DAO N20W48
2024/05/16 2 20 DAO N20W65
2024/05/17 2 10 BXO N21W76
2024/05/18 1 10 AXX N21W90
C
2

The top 2 solar flares from sunspot region 13670

Start Maximum End
1C9.82024/05/1507:2207:4208:13
2C5.82024/05/1507:1107:2007:22
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CMEs from AR4420 (April 23th - 24th) 51AR4425 55Incoming & Unnumbered Active Regions 294AR4420 211SWPC Display bug or other issues 27
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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/04/28M1.1
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 202686.4 +0.5
Last 30 days89.9 +3.4

This day in history*

Solar flares
12026M1.6
22026M1.1
32001M1.01
42026M1.0
52026C9.4
DstG
11960-147G3
21969-99G3
31985-98G3
41979-88G1
51989-74G1
*since 1994

Aurora on this day in history

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