Viewing archive of Wednesday, 17 April 2024 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
199 232 1C1.99M1.64121

Sunspot regions

Region 13633

Number of
sunspots
Size Class Magn. Class Spot Location
3 80 CSO S09W79
HMIIF
HMIBC

Region 13634

Number of
sunspots
Size Class Magn. Class Spot Location
8 -1 290 -20 EKI N26W70
HMIIF
HMIBC

Region 13635

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 AXX N22W42
HMIIF
HMIBC

Region 13636

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 70 -20 CSO S20W06
HMIIF
HMIBC

Region 13637

Number of
sunspots
Size Class Magn. Class Spot Location
4 2 20 CRO S13E13
HMIIF
HMIBC

Solar flares on this day

C8.6

Region 13638

Number of
sunspots
Size Class Magn. Class Spot Location
5 -3 30 -50 CRI S17E18
HMIIF
HMIBC

Solar flares on this day

C5.2 C7.7

Region 13639

Number of
sunspots
Size Class Magn. Class Spot Location
16 -3 320 10 EKI N29E22
HMIIF
HMIBC

Solar flares on this day

C8.0 C3.6 C4.3 C3.6

Region 13641

Number of
sunspots
Size Class Magn. Class Spot Location
3 -3 60 -50 DAO N12W28
HMIIF
HMIBC

Solar flares on this day

C2.8

Region 13642

Number of
sunspots
Size Class Magn. Class Spot Location
5 10 BXO N18W39
HMIIF
HMIBC

Region 13643

Number of
sunspots
Size Class Magn. Class Spot Location
20 14 130 30 FAI S13E34
HMIIF
HMIBC

Solar flares on this day

C3.4 C8.8 M1.6

Region 13644

Number of
sunspots
Size Class Magn. Class Spot Location
2 80 DSO N12E58
HMIIF
HMIBC

Region 13645

Number of
sunspots
Size Class Magn. Class Spot Location
8 30 CAI S10E24
HMIIF
HMIBC

Region 13646

Number of
sunspots
Size Class Magn. Class Spot Location
3 30 CSO N21E59
HMIIF
HMIBC

All times in UTC

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Last X-flare2024/11/06X2.39
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Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
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Monthly mean Sunspot Number
October 2024166.4 +25
November 2024187.3 +20.9
Last 30 days162.2 +13.4

This day in history*

Solar flares
12004X1.28
22002M6.59
32015M5.66
42001M4.78
52001M4.47
DstG
11991-354G4
22004-214G4
31998-142G3
41975-110G2
51992-97G2
*since 1994

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