21 April 2022
20220420 Week Rotation Today Rotation Week 20220422



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12991 S23W29
(427",-304")
α/α Hsx/Hsx 0010/0030 01/01 - / C4.2(09:35)
C4.3(08:13)
12993 N20E10
(-156",404")
βγ/βγ Dhi/Ehi 0490/0680 19/19 -
12994 N14E11
(-177",311")
βγ/βγ Dko/Eko 0610/0930 08/07 -
12995 N14E42
(-621",291")
α/α Hsx/Hsx 0240/0180 01/01 -
12996 N23E51
(-684",421")
α/- Hsx/--- 0050/---- 01/-- -
12988 N14W86
(923",235")
/ / / / -
12989 N18W49
(686",347")
/ / / / -
12990 N16W73
(878",285")
/ / / / -

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

Events not associated with currently named NOAA regions: C4.7(03:38) C3.0(09:00) C5.4(12:47) C3.1(17:18) C7.0(20:58) C1.6(22:39) M9.6(01:47) C2.6(05:06) C4.0(05:35) C5.1(10:03) C3.0(11:45) C3.1(13:50) C7.7(17:39) C8.9(18:33) C2.3(22:27) C5.6(23:23) M1.9(12:24) X2.2(03:41)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 21-Apr-2022 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-Apr-2022 23:30 UT .