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 17 April 2021
⇐20210416 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20210418⇒

NOAA
3 Active Regions
12814
12815
12816

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes
 
Main Far-side SDO short-wave SDO long-wave
No Time Data Available No Time Data Available No Time Data Available
No Time Data Available No Time Data Available No Time Data Available
No Time Data Available No Time Data Available No Time Data Available
No Time Data Available No Time Data Available No Time Data Available
No Time Data Available No Time Data Available No Time Data Available
No Time Data Available No Time Data Available No Time Data Available
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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
12814 S22W58
(752",-313") 		β/β Bxo/Dro 0020/0050 08/12 -
12815 S21W35
(513",-273") 		β/- Bxo/--- 0010/---- 03/-- -
12816 S24E45
(-618",-330") 		β/- Cao/--- 0080/---- 03/-- -

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 17-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 17-Apr-2021 23:30 UT .