Sunspot region AR13377

Number of
sunspots
Size Class Magn. Class Spot Location
2023/07/17 1 30 DSO S09E71
2023/07/18 2 210 DSO S09E59
2023/07/19 4 240 DSO S08E46
2023/07/20 5 240 DSO S09E35
2023/07/21 5 210 DSO S09E20
2023/07/22 4 200 DAO S08E08
2023/07/23 3 200 DSO S09W06
2023/07/24 5 260 DHO S11W27
2023/07/25 3 260 DHO S11W40
2023/07/26 3 230 DAO S09W49
2023/07/27 2 220 DSO S09W62
2023/07/28 2 200 DSO S08W74
2023/07/29 2 140 DSO S08W88
2023/07/30 2 140 DSO S08W0*
C
2

The top 2 solar flares from sunspot region 13377

Start Maximum End
1C3.22023/07/1718:1818:2918:38
2C2.22023/07/2005:5706:0406:08

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Last X-flare2024/09/14X4.54
Last M-flare2024/09/14M3.0
Last geomagnetic storm2024/09/17Kp8- (G4)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
August 2024215.5 +19
September 2024151.6 -63.9
Last 30 days159.7 -53.2

This day in history*

Solar flares
12000M7.33
22023M4.0
32004M2.82
42023M1.8
51999M1.38
DstG
11989-255G4
22023-85G2
32000-77G2
41977-76G2
51984-73G2
*since 1994

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