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17 December 2023
20231216 Week Rotation Today Rotation Week 20231218

 
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
13513 N18W91
(926",300")
α/α Hsx/Hsx 0070/0090 01/01 - / C2.6(11:24)
13514 N05W91
(970",84")
βγ/βγδ Ekc/Ekc 0300/0460 12/22 -
13516 S18W41
(610",-287")
α/α Axx/Axx 0010/0010 01/01 -
13518 N13E09
(-149",239")
α/α Axx/Hax 0010/0020 03/02 -
13519 S12W14
(231",-184")
β/β Dai/Csi 0130/0150 18/18 -
13520 N08W87
(963",136")
β/β Cso/Cso 0080/0060 05/04 -
13521 N12E45
(-676",217")
α/α Hsx/Hsx 0030/0020 01/01 -
13522 S04E13
(-219",-48")
β/- Bxo/--- 0010/---- 04/-- -
13523 N21E50
(-698",362")
α/- Hrx/--- 0020/---- 02/-- -
13524 N26E51
(-682",439")
α/- Hrx/--- 0020/---- 02/-- -
13525 S09E33
(-526",-136")
β/- Bxo/--- 0020/---- 04/-- -
13515 S14W43
(647",-221")
/α /Axx /0010 /01 -
13517 N11W81
(945",189")
/ / / / -

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

Events not associated with currently named NOAA regions: C1.7(04:37) C2.5(06:31) C4.1(06:37) C2.9(08:55) C3.1(09:21) C2.1(10:19) C3.3(17:02) C3.5(18:01) M1.1(20:08) C2.2(09:01) C2.7(11:00) C1.9(12:26) C2.1(13:03) C8.4(13:19) C8.1(14:12) C2.8(17:39) C2.0(19:06) C3.2(19:42) C2.1(22:06)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 17-Dec-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-Dec-2023 20:30 UT .