21 October 2023
20231020 Week Rotation Today Rotation Week 20231022



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13464 N04W89
(960",65")
α/α Hsx/Hsx 0050/0070 01/01 -
13465 N12W64
(848",161")
α/α Hrx/Hax 0030/0080 07/07 -
13468 S10E01
(-16",-256")
α/α Hsx/Hsx 0070/0070 02/01 -
13469 N27W51
(668",386")
β/- Dro/--- 0030/---- 06/-- -
13463 S17W91
(920",-278")
/ / / / -
13467 N14W28
(440",155")
/ / / / -

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

Events not associated with currently named NOAA regions: C2.8(00:00) C1.5(12:02) C1.4(02:11) C2.3(04:20) C1.3(09:31) C1.7(11:00) C2.3(23:15)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 21-Oct-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 21-Oct-2023 23:30 UT .