17 July 2023
⇐20230716 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20230718⇒



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13363 S22W73
(837",-373") 		βδ/βδ Dko/Dko 0720/0720 09/11 -
13371 S15W21
(327",-312") 		α/α Hrx/Hax 0020/0010 01/01 C2.2(02:06) / -
13372 N23W01
(15",299") 		βγδ/βδ Fko/Eko 0700/0660 18/13 -
13373 N07E25
(-397",47") 		β/β Dai/Dso 0240/0120 20/06 -
13374 S08E27
(-425",-197") 		α/α Hsx/Hsx 0020/0030 01/01 -
13362 S08W91
(934",-129") 		/ / / / -
13364 N25W91
(855",398") 		/ / / / -
13370 S15W34
(511",-304") 		/ / / / -

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

Events not associated with currently named NOAA regions: C2.2(03:15) C4.4(03:35) C4.1(03:46) C2.8(04:27) C2.9(04:38) C3.9(05:12) C3.7(05:55) C4.3(06:45) C3.7(08:12) C4.2(09:17) C3.5(11:13) C6.6(15:06) C2.5(17:25) C3.2(18:18) C2.9(18:47) C3.3(19:53) C5.9(22:04) C7.4(22:23) M2.7(22:41)

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