Sunspot region AR8464

Number of
sunspots
Size Class Magn. Class Spot Location
1999/02/13 1 70 EAO N19E64
1999/02/14 4 160 ESO N21E55
1999/02/15 7 90 CSO N20E42
1999/02/16 6 90 CSO N20E28
1999/02/17 7 80 CSO N19E15
1999/02/18 7 70 DSO N20E02
1999/02/19 10 70 CSO N18W11
1999/02/20 6 50 CSO N18W26
1999/02/21 3 30 CSO N18W40
1999/02/22 3 20 CSO N18W53
1999/02/23 1 0 AXX N18W65
CM
31

The top 4 solar flares from sunspot region 8464

Start Maximum End
1M1.351999/02/1623:5600:0300:07
2C3.441999/02/1518:3118:3718:40
3C1.531999/02/1907:2807:3307:36
4C1.121999/02/1823:5300:0500:07

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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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