Viewing archive of Monday, 12 January 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
111 -220C1.43M1.0261

Sunspot regions

Region 12253

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S06W0*

Region 12255

Number of
sunspots
Size Class Magn. Class Spot Location
18 12 130 60 EAO S15W55
HMIIF
HMIBC

Solar flares on this day

C4.51 C2.92 M1.01

Region 12257

Number of
sunspots
Size Class Magn. Class Spot Location
24 -11 450 -20 EKC N07W55
HMIIF
HMIBC

Solar flares on this day

C4.44

Region 12258

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 10 -10 BXO N16E12
HMIIF
HMIBC

Region 12259

Number of
sunspots
Size Class Magn. Class Spot Location
8 -1 310 20 EKO S16E26
HMIIF
HMIBC

Region 12260

Number of
sunspots
Size Class Magn. Class Spot Location
4 -3 30 CRO N09W17
HMIIF
HMIBC

Solar flares on this day

C8.78

Region 12261

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 30 HSX S11E45
HMIIF
HMIBC

Solar flares on this day

C5.3

Region 12262

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 20 CRO S01W31
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 2026107.7 +21.8
Last 30 days100 +44.8

This day in history*

Solar flares
12013M9.34
22024M5.47
32001M3.41
42000M1.63
52000M1.5
DstG
12001-271G4
21990-190G3
31978-114G4
41982-110G2
51959-88G1
*since 1994

Aurora on this day in history

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