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 27 April 2021
⇐20210426 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20210428⇒

 
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
12818 S16W25
(388",-197") 		α/α Hsx/Hsx 0040/0040 01/01 -
12820 S21W29
(432",-280") 		β/β Dsi/Dso 0110/0080 15/12 -
12821 S21W39
(561",-287") 		β/β Dsi/Cro 0070/0030 08/03 -
12816 S22W90
(883",-355") 		/α /Axx /0010 /01 -
12819 N24W65
(790",415") 		/ / / / -

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 27-Apr-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 27-Apr-2021 19:30 UT .