Viewing archive of Wednesday, 23 December 2009 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxC
23 -30B1.07C9.272

Sunspot regions

Region 11036

Number of
sunspots
Size Class Magn. Class Spot Location
3 -4 10 -60 BXO S27W58

Solar flares on this day

C9.23

Region 11038

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 -10 BXO N17W51

Solar flares on this day

C1.23

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Last X-flare2024/03/28X1.1
Last M-flare2024/04/27M3.0
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days137.7 +30.3

This day in history*

Solar flares
12001M1.01
22024C7.7
32000C7.46
42023C7.1
52023C6.8
ApG
11937128G4
2196960G3
3196084G3
4195664G3
5198561G3
*since 1994

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