25 April 2021
⇐20210424 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20210426⇒

NOAA
4 Active Regions
12816
12818
12819
12820

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
12816 S24W55
(715",-346") 		β/β Cro/Cro 0030/0050 07/08 C2.6(01:17) / -
12818 S16W00
(0",-187") 		α/α Hsx/Hsx 0040/0050 01/01 -
12819 N24W38
(537",443") 		β/- Bxo/--- 0010/---- 03/-- -
12820 S22W03
(46",-285") 		β/- Dai/--- 0070/---- 11/-- -

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 25-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 25-Apr-2021 19:30 UT .