31 January 2023
20230130 Week Rotation Today Rotation Week 20230201



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13201 N24W34
(498",472")
α/α Hsx/Hsx 0060/0030 01/02 -
13204 N25W71
(835",439")
β/β Dao/Dao 0040/0060 04/07 -
13205 S22W74
(868",-337")
β/β Cao/Cao 0080/0040 04/05 -
13206 S22E35
(-519",-286")
β/β Bxo/Bxo 0010/0010 05/04 -
13207 S13E59
(-814",-167")
β/- Cai/--- 0030/---- 01/-- -
13198 N26W91
(874",422")
/α /Axx /0010 /01 -
13199 N16W90
(935",266")
/α /Axx /0010 /01 -
13200 N21W54
(736",403")
/ / / / -
13203 N17W50
(715",346")
/ / / / -

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

Events not associated with currently named NOAA regions: C1.5(00:20) C1.1(04:04) C1.1(06:52) C1.2(10:17) C4.8(10:46) C1.0(12:55) C1.3(15:17) C3.1(16:12) C1.5(16:34) C1.5(17:16) C1.3(18:14) C2.4(19:21) C1.4(14:37) C1.0(15:52) C2.9(17:45) C1.5(18:45) C2.1(20:53) C1.9(21:54) C2.0(23:37)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 31-Jan-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 31-Jan-2023 20:30 UT .