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 21 April 2018
⇐20180420 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20180422⇒

NOAA
3 Active Regions
12706
12704
12705

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes
 
Main Far-side SDO short-wave SDO long-wave
HMI Mag 20180421 22:34 HMI 6173Å 20180421 22:34 GHN Hα 20180421 06:30
SWAP 174Å 20180421 19:32 AIA 193Å 20180421 23:25 XRT 20180421 06:01
HMI Mag 20180421 22:34 No Time Data Available GONG Farside 20180420 12:00
No Time Data Available AIA 193Å 20180421 23:25 STEREO A 20180421 19:15
HMI Mag 20180421 22:34 AIA 94Å 20180421 23:25 AIA 131Å 20180421 23:24
AIA 171Å 20180421 23:25 AIA 193Å 20180421 23:25 AIA 211Å 20180421 23:24
HMI Mag 20180421 22:34 AIA 304Å 20180421 23:26 AIA 335Å 20180421 23:25
AIA 1600Å 20180421 23:25 AIA 1700Å 20180421 23:26 HMI 6173Å 20180421 22:34


Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12706 N04E47
(-698",124") 		β/β Cao/Bxo 0040/0020 04/04 -
12704 N12W69
(872",227") 		/ / / / -
12705 N17W77
(889",296") 		/ / / / -

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 21-Apr-2018 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 21-Apr-2018 15:30 UT .