4 February 2023
20230203 Week Rotation Today Rotation Week 20230205



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13206 S21W20
(311",-254")
α/β Axx/Bxo 0010/0030 01/03 -
13207 S12E11
(-182",-99")
β/β Cai/Cao 0100/0110 11/10 -
13208 N16E15
(-243",366")
α/β Axx/Cro 0010/0020 01/01 -
13209 N18E44
(-644",372")
β/- Dao/--- 0040/---- 06/-- -
13210 S15W17
(275",-153")
β/- Cao/--- 0030/---- 05/-- C1.4(05:07) / -
13201 N24W87
(887",398")
/α /Axx /0020 /02 -
13203 N25W86
(879",415")
/ / / / -

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

Events not associated with currently named NOAA regions: C2.3(00:25) C1.4(06:49) C1.2(09:18) C1.7(15:17) C3.9(02:31) C1.4(09:41) C1.7(15:20) C1.5(15:42) C2.9(16:30)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 4-Feb-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 4-Feb-2023 20:30 UT .