17 May 2023
20230516 Week Rotation Today Rotation Week 20230518



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13301 N14W41
(605",258")
α/α Hrx/Hax 0030/0100 06/04 -
13302 N18W36
(531",324")
α/β Hsx/Dso 0050/0090 04/05 -
13304 N20W61
(780",342")
α/β Axx/Bxo 0010/0010 02/03 -
13305 N09W30
(470",182")
β/βγ Dai/Dai 0100/0110 18/24 -
13306 S18W78
(882",-285")
α/β Axx/Bxo 0010/0010 02/05 -
13307 S08E08
(-131",-93")
α/β Axx/Bxo 0010/0010 02/02 -
13308 N12W14
(225",235")
β/- Bxo/--- 0010/---- 02/-- C1.7(01:50) / -
13303 S10W55
(766",-142")
/ / / / -

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

Events not associated with currently named NOAA regions: C2.9(03:36) C2.2(07:52) C2.3(08:23) C6.4(14:30) C4.4(15:08) C4.3(15:19) C7.5(16:14) C3.3(17:30) C2.8(17:54) C6.3(18:34) C5.0(19:24) C9.6(21:38) C1.5(13:39) C1.0(15:35) C1.0(19:26) C1.5(19:58) C1.9(21:30) C2.4(22:20) M9.6(16:31)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 17-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 17-May-2023 23:30 UT .