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28 July 2021
20210727 Week Rotation Today Rotation Week 20210729

 
Main Far-side SDO short-wave SDO long-wave
HMI Mag 20210728 21:58 HMI 6173Å 20210728 22:46 GHN Hα 20210728 06:31
SWAP 174Å 20210728 20:03 AIA 193Å 20210728 23:23 XRT 20210725 06:40
HMI Mag 20210728 21:58 No Time Data Available GONG Farside 20210727 12:30
No Time Data Available AIA 193Å 20210728 23:23 No Time Data Available
HMI Mag 20210728 21:58 AIA 94Å 20210728 23:27 AIA 131Å 20210728 23:27
AIA 171Å 20210728 23:23 AIA 193Å 20210728 23:23 AIA 211Å 20210728 23:27
HMI Mag 20210728 21:58 AIA 304Å 20210728 23:23 AIA 335Å 20210728 23:27
AIA 1600Å 20210728 23:27 AIA 1700Å 20210728 23:27 HMI 6173Å 20210728 22:46


Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12846 N24W44
(601",323")
β/β Bxo/Bxo 0000/0010 04/04 -
12847 S28W25
(353",-516")
α/α Axx/Axx 0000/0010 01/01 -
12844 S43W91
(690",-639")
/ / / / -
12848 N21W78
(863",319")
/ / / / -
12849 S27W28
(396",-500")
/ / / / -

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

Events not associated with currently named NOAA regions: None

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 28-Jul-2021 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 28-Jul-2021 19:30 UT .