31 May 2023
20230530 Week Rotation Today Rotation Week 20230601



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13311 N21W91
(882",338")
α/β Hsx/Cao 0050/0100 01/06 -
13313 N24W80
(851",386")
α/α Hsx/Hsx 0020/0060 01/01 -
13315 S17W62
(800",-271")
βγδ/βγ Eko/Ekc 0540/0630 14/22 -
13316 N08W34
(525",142")
α/β Axx/Bxo 0000/0030 02/04 -
13317 N27W68
(782",434")
β/β Dro/Dao 0030/0040 03/05 -
13318 N25W60
(743",406")
β/β Dso/Dao 0110/0120 03/07 -
13319 S18W29
(437",-283")
β/β Dai/Bxo 0070/0010 13/05 -
13320 N09E44
(-651",157")
α/α Hsx/Hrx 0040/0030 01/01 -
13321 S16E52
(-718",-254")
α/- Hsx/--- 0120/---- 01/-- -
13322 N16W52
(718",268")
β/- Bxo/--- 0010/---- 05/-- -
13312 S25W88
(856",-399")
/ / / / -

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

Events not associated with currently named NOAA regions: C5.7(05:14) C5.7(06:01) C4.6(07:35) C6.1(08:16) C2.8(10:10) C5.4(10:50) C3.7(13:29) C4.8(13:43) C2.8(14:55) C2.2(15:43) C3.0(16:09) C3.3(16:36) C3.5(16:44) C9.6(19:53) C6.8(20:40) M1.3(04:24) M1.1(04:43) M1.0(12:23) M1.1(21:47) M4.3(22:14)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 31-May-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 31-May-2023 23:30 UT .