28 July 2021
20210727 Week Rotation Today Rotation Week 20210729



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 .