Viewing archive of Tuesday, 21 September 2004 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxM
33 -260 -1B2M1.081

Sunspot regions

Region 10672

Number of
sunspots
Size Class Magn. Class Spot Location
7 80 10 DSO N05W71

Region 10673

Number of
sunspots
Size Class Magn. Class Spot Location
18 3 310 10 DHO S13E09

Region 10674

Number of
sunspots
Size Class Magn. Class Spot Location
4 10 BXO S10W23

All times in UTC

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