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 21 April 2023
⇐20230420 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20230422⇒

 
Main Far-side SDO short-wave SDO long-wave
HMI Mag 20230421 21:58 HMI 6173Å 20230421 22:34 GHN Hα 20230421 10:50
SWAP 174Å 20230421 19:39 AIA 193Å 20230421 23:27 No Time Data Available
HMI Mag 20230421 21:58 No Time Data Available GONG Farside 20230420 12:00
No Time Data Available AIA 193Å 20230421 23:27 STEREO A 20230421 23:15
HMI Mag 20230421 21:58 AIA 94Å 20230421 23:27 AIA 131Å 20230421 23:27
AIA 171Å 20230421 23:27 AIA 193Å 20230421 23:27 AIA 211Å 20230421 23:27
HMI Mag 20230421 21:58 AIA 304Å 20230421 23:27 AIA 335Å 20230421 23:27
AIA 1600Å 20230421 23:27 AIA 1700Å 20230421 23:27 HMI 6173Å 20230421 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
13276 S21W47
(653",-287") 		α/α Axx/Axx 0010/0030 01/07 -
13279 S19W53
(722",-262") 		α/β Hax/Cro 0010/0040 01/07 -
13281 S22W36
(521",-293") 		β/β Bxo/Cao 0060/0060 06/10 -
13282 N12W42
(626",259") 		β/β Fhi/Fho 0380/0530 23/11 -
13283 S20W15
(233",-249") 		β/β Bxo/Bxo 0050/0020 04/03 - / C2.3(22:23)
C1.3(20:53)
C1.4(19:31)
C2.4(10:47)
C3.6(09:17)
C2.3(09:09)
C2.0(09:02)
13284 S08E16
(-261",-52") 		α/β Axx/Dro 0010/0080 02/03 -
13275 N18W86
(905",299") 		/ / / / -

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

Events not associated with currently named NOAA regions: C1.3(00:17) C1.2(02:07) C4.0(22:12) M1.8(17:44) C2.3(12:14) C1.5(14:17) C1.6(15:07) C1.7(15:43) C3.3(16:05) C1.2(23:20)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 21-Apr-2023 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-2023 23:30 UT .