28 April 2023
⇐20230427 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20230429⇒



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13285 S19W24
(367",-246") 		β/β Cao/Cso 0240/0120 05/04 -
13286 S11W16
(258",-112") 		β/α Bxo/Axx 0010/0010 03/02 -
13288 S23W21
(315",-309") 		βγδ/β Eki/Dso 0380/0140 29/05 -
13289 N20E37
(-540",381") 		β/β Dao/Dso 0180/0150 05/03 -
13290 N24W73
(833",406") 		β/β Bxo/Dro 0010/0040 03/03 -
13291 N09W16
(260",219") 		β/β Cro/Bxo 0030/0020 20/04 -
13292 N14E48
(-688",278") 		α/- Hrx/--- 0010/---- 01/-- -
13284 S08W81
(932",-120") 		/ / / / -
13287 S25E07
(-105",-336") 		/ / / / -

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

Events not associated with currently named NOAA regions: C6.7(01:11) C5.9(01:42) C3.3(02:39) C2.9(05:21) C2.9(05:36) C1.6(06:18) C1.2(06:48) C1.2(07:21) C1.5(09:09) C1.0(12:24) C1.2(12:56) C1.6(14:03) C6.9(15:25) C2.7(17:17) C2.9(17:34) C4.2(18:13) C3.2(19:14) C2.7(19:53) C4.2(20:16) C7.2(21:10)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 28-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 28-Apr-2023 23:30 UT .