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 18 December 2021
⇐20211217 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20211219⇒

 
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
12906 S29W28
(401",-455") 		β/β Cso/Cso 0050/0060 07/09 -
12907 S19W00
(0",-296") 		βγ/βγ Dhi/Dai 0280/0180 19/23 -
12908 S20E18
(-284",-313") 		βγ/β Dki/Dao 0270/0210 18/10 -
12909 S21E30
(-456",-331") 		β/β Dso/Dao 0210/0150 06/05 -
12910 N14W40
(609",254") 		β/β Cro/Cro 0030/0020 05/06 -
12911 N19E42
(-618",334") 		β/β Cao/Cro 0080/0020 04/03 -
12905 S12W37
(575",-184") 		/α /Axx /0010 /01 -

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

Events not associated with currently named NOAA regions: C1.1(01:40) C6.3(17:27) C1.5(15:57) C1.5(17:39) C1.3(22:22)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 18-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 18-Dec-2021 20:30 UT .