Viewing archive of Saturday, 24 September 2011 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCMX
88 -22 2C2.29X2.72472

Sunspot regions

Region 11295

Number of
sunspots
Size Class Magn. Class Spot Location
14 -5 550 200 EKC N24W74

Solar flares on this day

C8.54 C3.19 M2.5

Region 11296

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX N26W56

Region 11299

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 10 AXX S20W81

Region 11301

Number of
sunspots
Size Class Magn. Class Spot Location
14 2 110 -10 DSO N20E13

Region 11302

Number of
sunspots
Size Class Magn. Class Spot Location
10 8 840 360 EKC N13E59

Solar flares on this day

X2.74 C3.88 X1.02 M4.56 M4.09 M4.43 M8.37

All times in UTC

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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/04M7.6
Last geomagnetic storm2026/04/02Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026141 +55.1
Last 30 days95.4 +31.2

This day in history*

Solar flares
12002M8.82
22026M7.6
31999M6.76
42001M2.91
52003M2.74
DstG
11979-202G3
21988-133G3
31984-120G4
42004-117G2
51994-111G3
*since 1994

Aurora on this day in history

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