Sunspot region AR8738

Number of
sunspots
Size Class Magn. Class Spot Location
1999/10/21 2 10 AXX N16E28
1999/10/22 3 20 CSO N17E13
1999/10/23 3 20 CSO N17W01
1999/10/24 6 20 CSO N17W13
1999/10/25 6 30 CSO N18W27
1999/10/26 4 20 CRO N18W40
1999/10/27 3 10 BXO N17W53
1999/10/28 2 90 CSO N17W67
1999/10/29 1 0 AXX N17W80

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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/11M1.3
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024175.7 +9.3
Last 30 days166.1 +21.7

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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