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21 September 2023
20230920 Week Rotation Today Rotation Week 20230922

 
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
13425 N24W91
(872",387")
α/α Hsx/Hsx 0060/0060 01/01 -
13429 N12W91
(934",199")
β/β Cao/Cao 0100/0080 03/03 -
13433 N28W54
(684",384")
α/α Hsx/Hsx 0090/0090 01/01 -
13435 N09E15
(-245",36")
βδ/βδ Dki/Dko 0300/0280 04/04 -
13436 N21W78
(873",317")
β/βγ Dai/Dai 0220/0160 06/12 -
13437 S18W57
(763",-354")
β/β Dai/Dao 0190/0100 11/06 -
13438 N10E06
(-98",49")
β/βγ Cai/Csi 0070/0060 11/08 -
13439 S25E18
(-268",-503")
β/β Cao/Cao 0030/0050 02/03 -
13440 N17E32
(-485",182")
α/β Hsx/Cso 0060/0070 01/02 -
13441 N08W17
(277",20")
β/β Cro/Cro 0020/0020 04/03 C1.3(02:38) / -
13442 S11E38
(-579",-272")
β/- Csi/--- 0050/---- 05/-- -
13431 S14W91
(926",-227")
/ / / / -
13434 N08W84
(941",119")
/ / / / -

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

Events not associated with currently named NOAA regions: C2.3(01:32) C1.3(03:11) C1.4(04:46) C1.6(05:51) C2.1(09:24) C2.1(09:38) C2.5(10:09) C2.4(10:39) C2.6(14:16) C2.4(14:43) C3.2(15:59) M8.7(12:42) C2.0(15:42) C2.3(16:01) C4.2(17:34) C5.6(18:36) C1.3(20:29) C4.7(21:27) C2.3(23:17)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 21-Sep-2023 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 21-Sep-2023 23:30 UT .