Sunspot region AR8523

Number of
sunspots
Size Class Magn. Class Spot Location
1999/04/25 3 0 BXO N32E42
1999/04/26 4 10 BXO N31E28
1999/04/27 9 20 BXO N30E16
1999/04/28 12 40 CSO N31E03
1999/04/29 11 40 CRO N32W09
1999/04/30 4 20 BXO N32W21
1999/05/01 1 0 AXX N32W35
1999/05/02 1 0 AXX N32W45
1999/05/03 4 20 BXO N30W55
B
2

The top 2 solar flares from sunspot region 8523

Start Maximum End
1B8.541999/04/2507:4607:5207:57
2B8.511999/04/2812:0612:1112:16

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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
41989-105
51979-90G1
*since 1994

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