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 4 December 2021
⇐20211203 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20211205⇒

NOAA
4 Active Regions
12898
12902
12901
12903

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes
 
Main Far-side SDO short-wave SDO long-wave
No Time Data Available HMI 6173Å 20211203 23:46 No Time Data Available
AIA 171Å 20211204 00:23 AIA 193Å 20211204 00:23 XRT 20211202 17:43
No Time Data Available No Time Data Available GONG Farside 20211202 12:00
No Time Data Available AIA 193Å 20211204 00:23 No Time Data Available
No Time Data Available AIA 94Å 20211204 00:27 AIA 131Å 20211204 00:28
AIA 171Å 20211204 00:23 AIA 193Å 20211204 00:23 AIA 211Å 20211204 00:28
No Time Data Available AIA 304Å 20211204 00:23 AIA 335Å 20211204 00:28
AIA 1600Å 20211204 00:27 AIA 1700Å 20211204 00:27 HMI 6173Å 20211203 23:46


Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12898 S26W91
(874",-426") 		β/α Cso/Hsx 0080/0100 04/01 C1.3(19:30)
C1.8(15:48)
C1.2(10:15)
C1.0(10:05)
C1.2(08:19)
C2.3(07:34)
C1.4(07:14)
C2.5(06:44)
C4.2(04:43) / -
12902 N18W58
(786",297") 		β/β Cro/Dsi 0060/0100 05/13 -
12901 N16W16
(258",263") 		/ / / / -
12903 S18W12
(193",-308") 		/ / / / -

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 4-Dec-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 4-Dec-2021 20:30 UT .