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 12 September 2021
⇐20210911 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20210913⇒

 
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
12863 S17W91
(910",-274") 		α/α Hsx/Hsx 0030/0070 01/01 -
12864 N24W91
(870",386") 		α/β Hsx/Cso 0050/0080 01/02 -
12866 S18W47
(664",-370") 		β/β Dkc/Dkc 0400/0460 17/17 -
12868 S19W63
(804",-359") 		β/β Dki/Dki 0260/0250 21/20 - / C1.3(05:11)
12869 S35W41
(513",-617") 		β/β Cao/Cao 0040/0060 03/09 -
12865 N23W84
(873",358") 		/ / / / -
12870 S31E18
(-253",-586") 		/ / / / -

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 12-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 12-Sep-2021 23:30 UT .