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 31 December 2021
⇐20211230 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20220101⇒

 
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
12916 S16W48
(698",-236") 		βγ/β Esi/Ehi 0640/0420 14/14 -
12917 S27W88
(868",-440") 		α/α Axx/Axx 0010/0010 01/01 -
12918 N22W66
(827",384") 		β/β Bxi/Cri 0060/0210 09/10 -
12919 S11W13
(216",-137") 		α/α Hrx/Hrx 0040/0020 01/01 -
12921 N30W91
(844",486") 		β/β Dso/Dso 0300/0180 02/03 -
12912 S13W91
(950",-219") 		/ / / / -
12915 N16W91
(937",267") 		/ / / / -
12920 S17W91
(932",-285") 		/ / / / -

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

Events not associated with currently named NOAA regions: C1.9(04:44) C4.5(06:26) C9.8(06:46) C1.2(17:11) C8.1(19:32)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 31-Dec-2021 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 31-Dec-2021 20:30 UT .