Viewing archive of Sunday, 23 October 2011 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
102 -621C1.09C3.623

Sunspot regions

Region 11314

Number of
sunspots
Size Class Magn. Class Spot Location
1 90 -90 HSX N29W93

Region 11317

Number of
sunspots
Size Class Magn. Class Spot Location
1 50 -20 HSX S25W77

Region 11319

Number of
sunspots
Size Class Magn. Class Spot Location
5 -2 40 -290 CSO N13W89

Region 11323

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX N25W11

Region 11324

Number of
sunspots
Size Class Magn. Class Spot Location
28 -6 280 -10 EAC N10E14

Solar flares on this day

C3.62

Region 11325

Number of
sunspots
Size Class Magn. Class Spot Location
8 2 180 -80 DAI N15E43

Region 11327

Number of
sunspots
Size Class Magn. Class Spot Location
11 3 130 30 DAO S21W15

Region 11328

Number of
sunspots
Size Class Magn. Class Spot Location
3 -3 10 -30 BXO N17W06

Region 11329

Number of
sunspots
Size Class Magn. Class Spot Location
1 -3 10 -40 AXX S29W55

Region 11330

Number of
sunspots
Size Class Magn. Class Spot Location
5 210 DSO N04E66

Solar flares on this day

C3.08 C1.55

All times in UTC

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Last X-flare2026/03/30X1.4
Last M-flare2026/03/28M1.3
Last geomagnetic storm2026/03/25Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
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Monthly mean Sunspot Number
February 202678.2 -34.3
March 202688.4 +10.2
Last 30 days88.4 +14.9

This day in history*

Solar flares
12022M9.67
22000M5.89
32001M3.06
42000M2.9
52000M2.71
DstG
12001-387G4
21960-191G4
31989-100G2
41990-88
52003-78G2
*since 1994

Aurora on this day in history

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