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Sunspot region AR13790

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/08/15 5 40 CSO S14E75
2024/08/16 6 70 DSI S12E61
2024/08/17 12 120 DSI S12E47
2024/08/18 13 280 DKC S12E32
2024/08/19 20 400 DKC S12E19
2024/08/20 25 400 DKC S13E04
2024/08/21 18 500 DKC S11W08
2024/08/22 20 470 DKC S12W21
2024/08/23 17 370 DKC S11W35
2024/08/24 13 430 DKC S10W49
2024/08/25 10 370 DKC S11W62
2024/08/26 12 350 DKC S13W75
2024/08/27 12 280 DKI S13W87
2024/08/28 12 280 DKI S13W0*
CM
142

The top 10 solar flares from sunspot region 13790

Start Maximum End
1M1.42024/08/1721:5722:0622:14
2M1.12024/08/1721:3721:4821:57
3C9.82024/08/1920:0320:1620:26
4C8.92024/08/1622:0822:1822:49
5C8.32024/08/1803:4003:5004:01
6C8.02024/08/1615:3715:4115:49
7C7.72024/08/2422:4922:5623:02
8C7.42024/08/2012:2012:2812:36
9C6.82024/08/2408:5009:0309:16
10C6.62024/08/1609:5610:0310:09
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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/19Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202681 -4.9
Last 30 days94 +31.1

This day in history*

Solar flares
12002X2.2
22022M9.7
32015M5.78
42003M4.14
52024M3.43
DstG
11985-158G4
21970-141G4
31997-107G1
41981-94G1
51971-77G2
*since 1994

Aurora on this day in history

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