Viewing archive of Wednesday, 19 September 2001 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
224 91 -3C2.14M1.0832

Sunspot regions

Region 9608

Number of
sunspots
Size Class Magn. Class Spot Location
1 -9 180 -240 HSX S30W84

Region 9610

Number of
sunspots
Size Class Magn. Class Spot Location
5 -1 110 -40 CAO S12W91

Region 9616

Number of
sunspots
Size Class Magn. Class Spot Location
31 6 230 -40 FAI S13W11

Region 9617

Number of
sunspots
Size Class Magn. Class Spot Location
5 1 20 CRO N08W10

Region 9619

Number of
sunspots
Size Class Magn. Class Spot Location
4 2 20 CSO N16W42

Region 9620

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 200 20 HAX N12E44

Region 9621

Number of
sunspots
Size Class Magn. Class Spot Location
7 4 190 60 HSX N14E49

Solar flares on this day

C8.63

Region 9622

Number of
sunspots
Size Class Magn. Class Spot Location
4 -1 20 -20 DSO N12E20

Region 9623

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 -10 HSX N21E32

Region 9624

Number of
sunspots
Size Class Magn. Class Spot Location
1 100 60 HSX N04E56

Region 9625

Number of
sunspots
Size Class Magn. Class Spot Location
5 30 CSO S30W12

Region 9626

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 HSX N25E47

Region 9627

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 HAX N05E73

Region 9628

Number of
sunspots
Size Class Magn. Class Spot Location
6 160 DAO S17E79

Solar flares on this day

C4.73 M1.08

All times in UTC

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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026107.7 +21.8
Last 30 days100 +44.8

This day in history*

Solar flares
12013M9.34
22024M5.47
32001M3.41
42000M1.63
52000M1.5
DstG
12001-271G4
21990-190G3
31978-114G4
41982-110G2
51959-88G1
*since 1994

Aurora on this day in history

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