Viewing archive of Sunday, 20 July 2025 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
1391 -1C1.26C7.649

Sunspot regions

Region 14136

Number of
sunspots
Size Class Magn. Class Spot Location
3 -2 210 -50 CAO N20W74
HMIIF
HMIBC

Solar flares on this day

C1.6 C2.9 C7.7 C2.9 C2.8 C2.5 C6.5

Region 14139

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 100 -120 DSO N22W94
HMIIF
HMIBC

Region 14140

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S12W48
HMIIF
HMIBC

Region 14142

Number of
sunspots
Size Class Magn. Class Spot Location
8 -10 80 -100 DAO N04W33
HMIIF
HMIBC

Region 14143

Number of
sunspots
Size Class Magn. Class Spot Location
12 2 280 10 DKI N25W66
HMIIF
HMIBC

Region 14144

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 -10 AXX S15W06
HMIIF
HMIBC

Region 14145

Number of
sunspots
Size Class Magn. Class Spot Location
5 10 BXO S24W47
HMIIF
HMIBC

Region 14148

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 -10 AXX S08W59
HMIIF
HMIBC

Region 14149

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 220 70 DAO N18E56
HMIIF
HMIBC

Solar flares on this day

C3.1 C1.9 C2.3

Region 14150

Number of
sunspots
Size Class Magn. Class Spot Location
4 2 130 50 CAO S15E55
HMIIF
HMIBC

Region 14151

Number of
sunspots
Size Class Magn. Class Spot Location
3 20 CRO N10W21
HMIIF
HMIBC

All times in UTC

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Space weather facts

Last X-flare2026/06/03X1.0
Last M-flare2026/06/03M7.9
Last geomagnetic storm2026/05/16Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (2%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
April 202679.3 -6.6
June 2026140 +60.7
Last 30 days97 +3.2

This day in history*

Solar flares
12001M3.61
22024M3.5
32024M2.63
42000M2.27
52013M1.87
DstG
11991-223G4
21960-88G1
31967-85G3
41978-71G2
51993-60G2
*since 1994

Aurora on this day in history

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