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20 December 2021
20211219 Week Rotation Today Rotation Week 20211221

 
Main Far-side SDO short-wave SDO long-wave
HMI Mag 20211220 18:58 HMI 6173Å 20211220 19:34 No Time Data Available
SWAP 174Å 20211220 18:16 AIA 193Å 20211220 20:24 XRT 20211219 05:41
HMI Mag 20211220 18:58 No Time Data Available GONG Farside 20211219 12:00
No Time Data Available AIA 193Å 20211220 20:24 No Time Data Available
HMI Mag 20211220 18:58 AIA 94Å 20211220 20:24 AIA 131Å 20211220 20:24
AIA 171Å 20211220 20:24 AIA 193Å 20211220 20:24 AIA 211Å 20211220 20:24
HMI Mag 20211220 18:58 AIA 304Å 20211220 20:24 AIA 335Å 20211220 20:27
AIA 1600Å 20211220 20:27 AIA 1700Å 20211220 20:27 HMI 6173Å 20211220 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
12906 S29W57
(716",-460")
α/β Hrx/Cro 0020/0020 01/04 -
12907 S21W26
(400",-327")
βγ/βγ Dki/Dki 0250/0310 15/24 C1.0(16:34)
C1.4(15:57)
C1.4(13:48)
C2.9(10:37)
C1.1(09:19)
C1.2(08:43)
C1.3(06:33)
/ C3.7(20:59)
C1.8(19:04)
12908 S21W10
(158",-324")
β/βγ Eai/Dki 0240/0270 13/15 M1.8(11:12)
C1.5(04:29)
C1.6(00:17) / -
12909 S21E04
(-63",-324")
β/β Cao/Dao 0120/0210 04/06 C1.5(17:32) / -
12910 N13W65
(862",231")
α/β Hsx/Bxo 0020/0010 02/02 -
12911 N20E13
(-206",360")
α/β Hax/Cao 0050/0080 03/06 -
12912 S12E52
(-753",-186")
α/- Hsx/--- 0040/---- 01/-- -
12905 S12W65
(865",-191")
/ / / / -

Class (HH:MM) -Today
Class (HH:MM) -Yesterday

Events not associated with currently named NOAA regions: C4.4(03:08) C1.5(11:51) C1.8(16:15)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 20-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 20-Dec-2021 20:30 UT .