21 February 2024
20240220 Week Rotation Today Rotation Week 20240222



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13581 S21W91
(905",-346")
α/α Axx/Axx 0010/0010 01/01 -
13584 S15W73
(897",-215")
α/α Axx/Axx 0010/0010 01/02 -
13586 N27W19
(282",539")
α/β Hsx/Cso 0090/0160 01/01 -
13590 N17E39
(-585",371")
βγ/β Fki/Eho 0760/0530 07/04 -
13583 N08W91
(959",131")
/β /Fso /0170 /06 -
13585 N13W49
(715",293")
/ / / / -
13587 S20W42
(611",-246")
/ / / / -
13588 S03W57
(814",14")
/ / / / -

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

Events not associated with currently named NOAA regions: C2.4(00:32) C3.0(00:44) C4.4(01:55) C2.4(03:38) C1.8(07:31) C1.8(10:22) C1.5(11:28) C1.8(11:34) C1.4(11:46) C1.5(13:09) C2.1(13:41) C1.9(14:14) C4.2(15:39) C3.4(18:14) C3.3(19:22) C2.7(02:56) C2.8(15:47) C2.7(16:56)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 21-Feb-2024 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-Feb-2024 20:30 UT .