Viewing archive of Monday, 22 April 2002 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
155 -53 1C1.43M1.161

Sunspot regions

Region 9906

Number of
sunspots
Size Class Magn. Class Spot Location
14 -13 330 -350 EAI S14W90

Solar flares on this day

M1.1

Region 9907

Number of
sunspots
Size Class Magn. Class Spot Location
2 -3 20 -50 CRO S03W63

Region 9909

Number of
sunspots
Size Class Magn. Class Spot Location
2 -4 50 -50 HSX N07W24

Region 9910

Number of
sunspots
Size Class Magn. Class Spot Location
13 -10 100 -80 CAO S20W33

Region 9912

Number of
sunspots
Size Class Magn. Class Spot Location
21 -5 270 70 DAI N10W12

Solar flares on this day

C4.11

Region 9913

Number of
sunspots
Size Class Magn. Class Spot Location
8 2 10 -20 BXO S17W02

Region 9914

Number of
sunspots
Size Class Magn. Class Spot Location
5 1 70 30 CAO N04E44

Solar flares on this day

C1.94 C2.06

Region 9915

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HRX N11E54

Solar flares on this day

C5.01

Region 9916

Number of
sunspots
Size Class Magn. Class Spot Location
4 150 DAO S17E71

Solar flares on this day

C7.89

All times in UTC

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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 2026118.8 +32.8
Last 30 days103.2 +49.3

This day in history*

Solar flares
12001X1.14
22000M4.54
32003M3.68
42002M3.12
52002M1.68
DstG
11984-100G3
21971-97G2
32006-82G2
41959-73G2
51995-68G1
*since 1994

Aurora on this day in history

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