Viewing archive of Tuesday, 15 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
146 72C1.04C2.452

Sunspot regions

Region 14135

Number of
sunspots
Size Class Magn. Class Spot Location
1 40 -20 HSX S09W42
HMIIF
HMIBC

Region 14136

Number of
sunspots
Size Class Magn. Class Spot Location
8 1 190 40 EAO N20W11
HMIIF
HMIBC

Region 14137

Number of
sunspots
Size Class Magn. Class Spot Location
3 30 CSO N19W0*
HMIIF
HMIBC

Region 14138

Number of
sunspots
Size Class Magn. Class Spot Location
6 -1 75 ESO N29W66
HMIIF
HMIBC

Region 14139

Number of
sunspots
Size Class Magn. Class Spot Location
13 100 30 DAI N22W33
HMIIF
HMIBC

Region 14140

Number of
sunspots
Size Class Magn. Class Spot Location
8 70 -20 CAO S15E18
HMIIF
HMIBC

Region 14141

Number of
sunspots
Size Class Magn. Class Spot Location
3 20 CRO S13W0*
HMIIF
HMIBC

Region 14142

Number of
sunspots
Size Class Magn. Class Spot Location
10 6 40 DAO N01E35
HMIIF
HMIBC

Solar flares on this day

C1.6 C2.4

Region 14143

Number of
sunspots
Size Class Magn. Class Spot Location
6 3 30 20 CRO N23E01
HMIIF
HMIBC

Region 14144

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX S15E62
HMIIF
HMIBC

Region 14145

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 BXO S24E19
HMIIF
HMIBC

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 2026118.8 +32.8
Last 30 days102.1 +47

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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