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1 February 2025
20250131 Week Rotation Today Rotation Week 20250202

 
Main Far-side SDO short-wave SDO long-wave
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Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13973 N13W89
(948",219")
α/ Axx/ 0010/ 01/ -
13974 S17E03
(-48",-186")
β/β Cao/Dac 0110/0120 09/15 -
13976 N13E25
(-402",309")
βγδ/βγδ Eac/Dac 0230/0150 33/30 C2.6(02:31)
/ C2.3(21:22)
C3.3(20:53)
C5.4(16:58)
C6.4(15:09)
C4.8(11:01)
C6.1(10:12)
C5.4(09:56)
C2.6(09:05)
13977 N19E25
(-390",404")
βγ/β Cao/Cao 0110/0110 16/16 -
13978 N11E35
(-549",267")
βγ/β Dao/Cao 0180/0130 06/02 -
13980 S10E44
(-668",-95")
β/β Cao/Cao 0010/0010 05/05 -
13981 N05E48
(-722",153")
α/α Hsx/Hsx 0010/0010 01/01 -
13979 S10W44
(668",-95")
/β /Cso /0030 /05 -

Class (HH:MM) -Today
Class (HH:MM) -Yesterday

Events not associated with currently named NOAA regions: C3.2(00:03) C7.1(01:40) C5.3(11:24) C3.4(12:01) C2.2(13:15) C5.1(15:31) C5.2(15:52) C5.8(17:44) C2.9(22:40) M6.8(13:40) M1.8(20:14)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 1-Feb-2025 00:30 UT . The greyed out and light-blue entries are values from the previous day. Slashed cells indicate that the active region has no spots. The latest positions of the active regions are given in both heliographic and heliocentric co-ordinates. The region positions are valid on 1-Feb-2025 04:30 UT .