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17 April 2023
20230416 Week Rotation Today Rotation Week 20230418

 
Main Far-side SDO short-wave SDO long-wave
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Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
13272 S22W69
(828",-326")
β/β Cro/Cro 0030/0030 06/06 -
13273 N08W83
(939",143")
α/α Axx/Hrx 0010/0020 01/01 -
13275 N19W31
(466",384")
α/α Hax/Hax 0020/0020 01/01 -
13276 S23W20
(302",-294")
β/β Bxi/Bxo 0020/0010 05/02 -
13279 S20W03
(47",-241")
β/β Dsi/Cai 0180/0140 10/18 -
13280 S07W85
(944",-108")
βγ/βγ Csi/Dsi 0200/0240 08/14 -
13281 S24E18
(-270",-309")
βγ/βγ Eki/Dko 0300/0310 12/12 -
13282 N11E10
(-163",269")
β/β Eki/Dki 0530/0400 17/17 -
13283 S22E34
(-497",-288")
β/- Cri/--- 0050/---- 05/-- -
13274 S07W91
(947",-117")
/ / / / -
13277 N10W59
(808",211")
/ / / / -
13278 N12W91
(934",196")
/ / / / -

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

Events not associated with currently named NOAA regions: C2.2(00:53) C2.2(03:21) C4.2(04:08) C7.0(06:21) C2.1(07:31) C2.3(08:28) C1.9(09:41) C1.7(12:17) C1.9(12:59) C2.4(14:16) C6.9(14:17) C2.4(16:25) C2.2(18:53) C2.2(19:14) C1.6(20:56) C1.6(21:43) C3.7(19:44) C2.7(20:30) C2.5(21:43) C2.3(23:23)

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