Viewing archive of Thursday, 21 October 1999 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxC
154 -390 -2B8.0C6.1911

Sunspot regions

Region 8728

Number of
sunspots
Size Class Magn. Class Spot Location
3 110 -20 CAO N24W83

Region 8731

Number of
sunspots
Size Class Magn. Class Spot Location
45 -18 440 -200 EKI N14W55

Region 8732

Number of
sunspots
Size Class Magn. Class Spot Location
23 -6 170 -20 FAI N22W64

Solar flares on this day

C2.3 C2.3

Region 8734

Number of
sunspots
Size Class Magn. Class Spot Location
5 10 BXO N20W46

Region 8735

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 10 -10 BXO N18W19

Region 8736

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 10 AXX S25W06

Region 8737

Number of
sunspots
Size Class Magn. Class Spot Location
17 9 70 20 DAO S16E01

Solar flares on this day

C1.9

Region 8738

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 AXX N16E28

Region 8739

Number of
sunspots
Size Class Magn. Class Spot Location
3 50 CAO S14E71

Solar flares on this day

C2.1 C2.3

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