Viewing archive of Thursday, 8 April 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
125 41 1B6.86M1.66151

Sunspot regions

Region 8504

Number of
sunspots
Size Class Magn. Class Spot Location
4 -2 10 -10 BXO S27W40

Region 8506

Number of
sunspots
Size Class Magn. Class Spot Location
14 -7 210 -50 EAO S26W55

Region 8507

Number of
sunspots
Size Class Magn. Class Spot Location
14 3 80 50 DAO N11E05

Region 8508

Number of
sunspots
Size Class Magn. Class Spot Location
21 7 120 10 DAI N22E24

Solar flares on this day

C3.07 C3.23 C1.66 C9.86 C5.01 C4.93

Region 8510

Number of
sunspots
Size Class Magn. Class Spot Location
3 2 10 -10 BXO S34E39

Region 8511

Number of
sunspots
Size Class Magn. Class Spot Location
5 -1 130 30 DAO S17E46

All times in UTC

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Last X-flare2026/03/30X1.4
Last M-flare2026/03/28M1.3
Last geomagnetic storm2026/03/25Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
Last 30 days90 +16.9

This day in history*

Solar flares
12001M7.89
22017M6.34
32001M5.75
42025M5.6
52024M3.9
DstG
11960-327G4
22001-228G2
31976-218G4
41973-211G4
51989-93G2
*since 1994

Aurora on this day in history

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