28 October 2021
20211027 Week Rotation Today Rotation Week 20211029



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12886 S19W66
(835",-344")
α/α Hsx/Hsx 0090/0100 01/01 -
12887 S26W07
(106",-494")
βγ/β Dhi/Dhi 0250/0370 26/20 X1.0(15:17)
C3.8(13:46)
C3.3(13:15)
M2.2(10:19)
C1.1(09:56)
M1.4(07:30)
C1.2(01:32)
/ C1.1(22:35)
C1.6(22:07)
C1.1(21:53)
C1.1(13:35)
C2.3(12:11)
12889 S24E20
(-302",-460")
β/β Bxo/Bxo 0040/0020 06/04 - / C1.6(11:49)
12890 S18W50
(705",-346")
β/β Bxo/Cro 0030/0040 04/05 -
12891 N17E56
(-767",239")
β/ Cao/Dso 0250/0280 04/B C3.1(18:07)
C2.2(12:26)
/ C2.1(20:44)
C2.1(18:48)
C1.4(17:57)
C1.5(10:14)
12888 S12E15
(-245",-275")
/α /Axx /0010 /01 -

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

Events not associated with currently named NOAA regions: C2.1(16:21)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 28-Oct-2021 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-Oct-2021 19:30 UT .