Viewing archive of Monday, 17 July 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
149 503 3C1.51M5.58182

Sunspot regions

Region 13363

Number of
sunspots
Size Class Magn. Class Spot Location
10 1 700 -20 DKO S22W74
HMIIF
HMIBC

Solar flares on this day

C2.5 C2.2 C4.4 C4.1 C4.1 C7.4 M2.7

Region 13371

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 HRX S15W22
HMIIF
HMIBC

Region 13372

Number of
sunspots
Size Class Magn. Class Spot Location
21 3 700 FHO N23E01
HMIIF
HMIBC

Solar flares on this day

C3.9 C6.5

Region 13373

Number of
sunspots
Size Class Magn. Class Spot Location
20 450 210 EKC N07E25
HMIIF
HMIBC

Solar flares on this day

C2.8 C2.9 C3.7 C4.3 C3.7 C2.5 C3.3

Region 13374

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 10 HRX S16E27
HMIIF
HMIBC

Region 13375

Number of
sunspots
Size Class Magn. Class Spot Location
4 20 CRO N12W53
HMIIF
HMIBC

Region 13376

Number of
sunspots
Size Class Magn. Class Spot Location
11 30 DRO N24E43
HMIIF
HMIBC

Region 13377

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 DSO S09E71
HMIIF
HMIBC

Solar flares on this day

C3.2

All times in UTC

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Last X-flare2024/10/31X2.03
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Spotless days
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September 2024141.4 -74.1
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Last 30 days160.9 +7.7

This day in history*

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12013X4.93
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DstG
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*since 1994

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