28 February 2017
⇐20170227 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170301⇒



Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12638 N16W41
(612",354") 		α/α Hsx/Hsx 0090/0100 01/01 -
12640 N09W01
(16",271") 		β/β Bxo/Bxo 0020/0010 04/02 -
12641 N15E34
(-524",347") 		β/- Cro/--- 0040/---- 05/-- -
12637 S04W70
(908",-25") 		/ / / / -
12639 S08W86
(956",-125") 		/β /Bxo /0010 /02 -

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-Feb-2017 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-Feb-2017 20:30 UT .