1 May 2021
⇐20210430 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20210502⇒

NOAA
3 Active Regions
12818
12820
12821

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes


Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12818 S16W81
(904",-251") 		α/α Hsx/Hsx 0020/0020 01/01 -
12820 S22W85
(879",-350") 		β/β Bxo/Cro 0020/0030 03/05 -
12821 S21W91
(888",-341") 		α/α Hsx/Hsx 0030/0020 01/01 -

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 1-May-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 1-May-2021 23:30 UT .