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 21 May 2017
⇐20170520 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170522⇒

NOAA
3 Active Regions
12656
12658
12657

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes
 
Main Far-side SDO short-wave SDO long-wave
HMI Mag 20170521 22:34 HMI 6173Å 20170521 22:34 GHN Hα 20170521 08:27
SWAP 174Å 20170521 20:44 AIA 193Å 20170521 23:25 XRT 20170521 06:11
HMI Mag 20170521 22:34 No Time Data Available GONG Farside 20170520 12:00
No Time Data Available AIA 193Å 20170521 23:25 No Time Data Available
HMI Mag 20170521 22:34 AIA 94Å 20170521 23:24 AIA 131Å 20170521 23:24
AIA 171Å 20170521 23:24 AIA 193Å 20170521 23:25 AIA 211Å 20170521 23:24
HMI Mag 20170521 22:34 AIA 304Å 20170521 23:24 AIA 335Å 20170521 23:25
AIA 1600Å 20170521 23:24 AIA 1700Å 20170521 23:24 HMI 6173Å 20170521 22:34


Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12656 N11W06
(97",211") 		α/α Hax/Hax 0020/0020 01/01 -
12658 S07W05
(82",-85") 		α/β Hrx/Bxo 0010/0010 01/03 -
12657 N07W50
(722",135") 		/ / / / -

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-May-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-May-2017 23:30 UT .