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 21 February 2017
⇐20170220 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170222⇒

NOAA
3 Active Regions
12637
12638
12636

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes
 
Main Far-side SDO short-wave SDO long-wave
HMI Mag 20170221 19:46 HMI 6173Å 20170221 19:46 GHN Hα 20170221 11:45
SWAP 174Å 20170221 18:07 AIA 193Å 20170221 20:31 XRT 20170219 03:02
HMI Mag 20170221 19:46 No Time Data Available GONG Farside 20170220 12:00
No Time Data Available AIA 193Å 20170221 20:31 No Time Data Available
HMI Mag 20170221 19:46 AIA 94Å 20170221 20:31 AIA 131Å 20170221 20:31
AIA 171Å 20170221 20:31 AIA 193Å 20170221 20:31 AIA 211Å 20170221 20:31
HMI Mag 20170221 19:46 AIA 304Å 20170221 20:31 AIA 335Å 20170221 20:31
AIA 1600Å 20170221 20:31 AIA 1700Å 20170221 20:31 HMI 6173Å 20170221 19:46


Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12637 S04E35
(-556",30") 		α/α Axx/Axx 0010/0020 01/02 -
12638 N18E46
(-665",377") 		β/- Dao/--- 0080/---- 04/-- -
12636 N11W25
(403",290") 		/α /Axx /0010 /01 -

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 21-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 21-Feb-2017 20:30 UT .