Viewing archive of Friday, 30 October 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
88 -130 -2C1.57M1.13141

Sunspot regions

Region 12436

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 60 -40 CAO N09W89
HMIIF
HMIBC

Solar flares on this day

C7.87

Region 12437

Number of
sunspots
Size Class Magn. Class Spot Location
1 -6 30 10 CSO S17W76
HMIIF
HMIBC

Solar flares on this day

C4.42 C8.72

Region 12440

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 30 DAO N20W44
HMIIF
HMIBC

Region 12441

Number of
sunspots
Size Class Magn. Class Spot Location
7 5 30 10 CAI N14E20
HMIIF
HMIBC

Region 12442

Number of
sunspots
Size Class Magn. Class Spot Location
5 -1 30 10 DRO N15W03
HMIIF
HMIBC

Region 12443

Number of
sunspots
Size Class Magn. Class Spot Location
9 330 EHC N05E67
HMIIF
HMIBC

Solar flares on this day

C3.29 C4.16 C3.98 C5.95 C5.59 C3.59 C6.04 C6.54 C3.4 C8.52 C7.5 M1.13

Region 12444

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 CRO S04E61
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 2026114.3 +28.4
Last 30 days102.4 +48.5

This day in history*

Solar flares
12001X3.14
22002X1.17
32023M2.83
42002M2.34
52000M1.23
DstG
11990-281G4
21982-137G3
31957-124G3
41959-122G4
51960-81G3
*since 1994

Aurora on this day in history

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