Viewing archive of Friday, 18 June 1999 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
109 -580 -2C1.43M1.01121

Sunspot regions

Region 8576

Number of
sunspots
Size Class Magn. Class Spot Location
3 60 -30 CSO S27W91

Region 8580

Number of
sunspots
Size Class Magn. Class Spot Location
8 2 270 40 CAO S21W37

Region 8582

Number of
sunspots
Size Class Magn. Class Spot Location
21 -3 130 -20 ESO N27W46

Solar flares on this day

C3.11

Region 8583

Number of
sunspots
Size Class Magn. Class Spot Location
13 -3 90 -40 DSO S13W10

Region 8585

Number of
sunspots
Size Class Magn. Class Spot Location
6 190 10 CAO N37E16

Solar flares on this day

C4.11

Region 8586

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 0 -10 AXX N34W44

Region 8588

Number of
sunspots
Size Class Magn. Class Spot Location
6 2 30 20 CSO S22W06

Region 8589

Number of
sunspots
Size Class Magn. Class Spot Location
3 2 30 20 CAO N27W13

Region 8590

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 BXO S22W15

Region 8591

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 BXO N12E14

All times in UTC

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Spotless days
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Monthly mean Sunspot Number
December 2025124 +32.2
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This day in history*

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*since 1994

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