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 28 September 2021
⇐20210927 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20210929⇒

 
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
12871 S27W51
(664",-496") 		βγ/βγ Cso/Dai 0070/0090 06/10 C1.6(05:54) / -
12877 S18W24
(371",-393") 		β/β Cro/Bxo 0020/0010 04/04 -
12872 N16W65
(835",216") 		/β /Cro /0040 /07 -
12876 S22W49
(671",-426") 		/ / / / -
12878 S22E10
(-154",-461") 		/β /Cro /0030 /06 -
12879 N13W43
(638",133") 		/- /--- /---- /-- -

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

Events not associated with currently named NOAA regions: None

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 28-Sep-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 28-Sep-2021 19:30 UT .