18 May 2023
20230517 Week Rotation Today Rotation Week 20230519



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13301 N15W51
(713",268")
α/α Axx/Hrx 0010/0030 04/06 -
13302 N18W47
(661",318")
α/α Hsx/Hsx 0050/0050 01/04 -
13305 N12W44
(646",224")
βγ/β Dai/Dai 0110/0100 19/18 -
13307 S08W11
(179",-95")
α/α Axx/Axx 0010/0010 01/02 -
13308 N12W28
(437",230")
β/β Cro/Bxo 0020/0010 04/02 -
13309 S18W67
(831",-279")
β/- Cro/--- 0020/---- 04/-- -
13310 S20E60
(-773",-307")
β/- Dho/--- 0250/---- 03/-- -
13303 S10W69
(873",-151")
/ / / / -
13304 N20W75
(861",333")
/α /Axx /0010 /02 -
13306 S18W91
(901",-293")
/α /Axx /0010 /02 -

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

Events not associated with currently named NOAA regions: C3.8(04:07) C2.2(04:51) C2.4(08:09) C2.5(08:29) C5.3(09:47) C9.6(10:13) C4.2(10:55) C5.3(11:19) C8.5(13:43) C4.0(15:43) C2.5(17:21) C6.2(18:04) M1.0(06:13) M1.2(06:48) M2.2(11:32) M1.9(12:00) M1.6(12:39) M1.1(17:32) M3.9(20:12) M4.5(20:51)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 18-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 18-May-2023 23:30 UT .