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 21 August 2017
⇐20170820 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170822⇒

NOAA
2 Active Regions
12671
12672

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes
 
Main Far-side SDO short-wave SDO long-wave
HMI Mag 20170821 02:46 HMI 6173Å 20170821 22:46 GHN Hα 20170821 06:23
SWAP 174Å 20170821 21:46 AIA 193Å 20170821 23:24 XRT 20170821 17:19
HMI Mag 20170821 02:46 No Time Data Available GONG Farside 20170820 12:06
No Time Data Available AIA 193Å 20170821 23:24 STEREO A 20170821 19:05
HMI Mag 20170821 02:46 AIA 94Å 20170821 23:24 AIA 131Å 20170821 23:24
AIA 171Å 20170821 23:24 AIA 193Å 20170821 23:24 AIA 211Å 20170821 23:24
HMI Mag 20170821 02:46 AIA 304Å 20170821 23:24 AIA 335Å 20170821 23:28
AIA 1600Å 20170821 23:26 AIA 1700Å 20170821 23:26 HMI 6173Å 20170821 22:46


Today's/Yesterday's NOAA Active Regions
NOAA Number
Latest
Position
Hale
Class
McIntosh Class
Sunspot Area
[millionths]
Number of Spots
Recent
Flares
12671 N12W20
(318",90") 		βγ/βγ Fkc/Fkc 0410/0360 20/23 C1.5(21:47)
C1.5(20:12)
/ C2.9(07:45)
C1.8(04:22)
12672 N05E61
(-827",26") 		β/- Dao/--- 0120/---- 04/-- C3.0(17:39)
C5.9(03:05) / -

Class (HH:MM) -Today
Class (HH:MM) -Yesterday

Events not associated with currently named NOAA regions: C1.0(14:40) C9.4(19:20) M1.1(01:36)

Note: The tabulated data are based on the most recent NOAA/USAF Active Region Summary issued on 21-Aug-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-Aug-2017 23:30 UT .