18 April 2024
⇐20240417 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20240419⇒



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13633 S07W91
(947",-117") 		β/β Cso/Cso 0080/0080 03/03 -
13634 N27W84
(846",439") 		β/β Eki/Dhi 0290/0310 08/09 -
13635 N22W56
(735",402") 		α/α Axx/Axx 0010/0010 03/03 -
13636 S20W19
(293",-248") 		β/β Cso/Cso 0070/0090 04/03 -
13637 S13W01
(16",-129") 		β/βδ Cro/Dro 0020/0020 04/02 -
13638 S17E01
(-16",-195") 		β/β Cri/Cai 0030/0080 05/08 M2.2(02:32)
C5.1(00:34)
/ C7.9(23:20)
13639 N29E09
(-131",538") 		βγδ/βγδ Eki/Eki 0320/0310 16/19 -
13641 N12W42
(626",262") 		β/β Dao/Dao 0060/0110 03/06 -
13643 S13E20
(-319",-134") 		β/βγ Fai/Dai 0130/0100 20/06 -
13644 N12E46
(-673",258") 		β/β Dso/Dso 0080/0080 02/02 -
13645 S10E10
(-164",-80") 		βγ/- Cai/--- 0030/---- 08/-- -
13646 N21E45
(-632",399") 		β/- Cso/--- 0030/---- 03/-- -
13640 N21E02
(-31",424") 		/ / / / -
13642 N18W53
(727",344") 		/β /Bxo /0010 /05 -

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

Events not associated with currently named NOAA regions: C5.6(00:57) C6.5(01:12) C4.7(01:57) C5.9(02:17) C5.4(04:10) C5.3(04:54) C7.3(05:55) C5.6(11:12) C8.9(11:44) C9.9(16:16) C3.5(19:12) M1.3(07:17) M1.6(19:22) M1.6(20:12) C3.7(20:31) C4.3(20:51) M1.6(21:55)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 18-Apr-2024 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-Apr-2024 23:30 UT .