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 17 December 2020
⇐20201216 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20201218⇒

NOAA
2 Active Regions
12793
12792

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes
 
Main Far-side SDO short-wave SDO long-wave
HMI Mag 20201217 18:58 HMI 6173Å 20201217 19:34 GHN Hα 20201217 08:00
SWAP 174Å 20201217 19:01 AIA 193Å 20201217 20:24 XRT 20201217 06:03
HMI Mag 20201217 18:58 No Time Data Available GONG Farside 20201216 12:00
No Time Data Available AIA 193Å 20201217 20:24 No Time Data Available
HMI Mag 20201217 18:58 AIA 94Å 20201217 20:26 AIA 131Å 20201217 20:27
AIA 171Å 20201217 20:24 AIA 193Å 20201217 20:24 AIA 211Å 20201217 20:27
HMI Mag 20201217 18:58 AIA 304Å 20201217 20:25 AIA 335Å 20201217 20:27
AIA 1600Å 20201217 20:26 AIA 1700Å 20201217 20:26 HMI 6173Å 20201217 19:34


Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12793 S15E23
(-369",-233") 		β/β Cro/Cro 0030/0020 02/03 -
12792 S22W00
(0",-346") 		/β /Bxo /0010 /02 -

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-Dec-2020 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-Dec-2020 20:30 UT .