27 February 2017
⇐20170226 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170228⇒

NOAA
4 Active Regions
12638
12639
12640
12637

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes


Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12638 N18W28
(433",400") 		α/β Hsx/Cso 0100/0100 01/02 -
12639 S08W73
(918",-98") 		β/β Bxo/Cro 0010/0020 02/03 -
12640 N11E12
(-198",301") 		β/- Bxo/--- 0010/---- 02/-- -
12637 S04W55
(793",2") 		/ / / / -

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 27-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 27-Feb-2017 20:30 UT .