Viewing archive of Friday, 17 September 1999 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxCM
144 -92 1B5.7M2.1481

Sunspot regions

Region 8690

Number of
sunspots
Size Class Magn. Class Spot Location
23 -7 440 140 EKI N16W62

Solar flares on this day

M2.1

Region 8692

Number of
sunspots
Size Class Magn. Class Spot Location
16 -3 170 10 ESO S26W41

Solar flares on this day

C3.1

Region 8693

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 30 HSX N13W44

Region 8695

Number of
sunspots
Size Class Magn. Class Spot Location
3 30 -10 CSO N21W04

Region 8699

Number of
sunspots
Size Class Magn. Class Spot Location
13 -10 220 ESO N22W39

Solar flares on this day

C1.5

Region 8700

Number of
sunspots
Size Class Magn. Class Spot Location
25 7 140 10 EAO N14E31

Solar flares on this day

C2.1 C1.7

Region 8702

Number of
sunspots
Size Class Magn. Class Spot Location
2 0 BXO N22E28

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This day in history*

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52001C8.2
ApG
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*since 1994

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