Sunspot region AR8172

Number of
sunspots
Size Class Magn. Class Spot Location
1998/03/02 4 20 BXO N22E06
1998/03/03 5 10 BXO N23W07
1998/03/04 1 10 AXX N23W22
1998/03/05 5 20 CRO N22W35
1998/03/06 6 50 CRO N22W49
1998/03/07 5 40 BXO N23W63
1998/03/08 5 30 BXO N23W75
C
1

The top 1 solar flares from sunspot region 8172

Start Maximum End
1C1.931998/03/0520:0420:1120:25

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Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.0
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024170.8 +4.3
Last 30 days164.5 +20

This day in history*

Solar flares
12012M8.59
22012M4.14
32005M3.59
42012M3.56
52003M2.36
DstG
11960-339G5
21998-131G2
31989-121G1
41999-106G2
51979-92G1
*since 1994

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