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21 December 2023
20231220 Week Rotation Today Rotation Week 20231222

 
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
13519 S11W70
(900",-176")
β/β Eso/Dso 0140/0090 09/09 C1.8(20:03)
C3.1(17:52)
C2.3(16:39)
C1.7(14:28)
C1.5(13:06)
C2.4(07:27)
M4.2(05:19)
/ C6.5(21:34)
13521 N11W09
(150",214")
β/β Dso/Cro 0080/0020 04/03 C2.1(12:16)
C2.2(10:15)
C2.2(10:04)
C2.1(09:38)
C1.9(08:37) / -
13523 N25W02
(30",439")
β/α Bxo/Axx 0010/0005 02/01 -
13526 N15E18
(-292",279")
β/β Cao/Dao 0200/0190 06/05 -
13527 S01W91
(974",-17")
β/β Cao/Cao 0025/0025 02/02 -
13528 N09W26
(423",178")
β/β Dai/Dao 0140/0110 09/10 -
13529 S19E15
(-239",-292")
βδ/βγ Dko/Dki 0450/0250 06/08 -
13530 N08E37
(-583",159")
βγ/β Dao/Cao 0180/0050 04/04 -
13531 S20E56
(-761",-318")
α/- Hax/--- 0060/---- 01/-- -
13516 S18W91
(926",-301")
/ / / / -
13518 N13W47
(696",239")
/ / / / -
13522 S03W44
(678",-30")
/ / / / - / C3.5(20:12)
13524 N26W04
(61",454")
/α /Axx /0005 /01 C4.1(19:03)
C1.7(15:56) / -
13525 S05W24
(396",-58")
/α /Axx /0005 /01 -

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

Events not associated with currently named NOAA regions: C5.4(00:01) C3.9(02:14) C2.1(16:16) C4.4(20:53)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 21-Dec-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-Dec-2023 20:30 UT .