SDO White light
6500 K
(or Dunn)
Surface
|
EIT
He II 304 Å
60-80000 K
Chromosphere
|
EIT
Fe IX/I 171 Å
1 million degrees
Low corona
|
LASCO C2
External corona up to
8.2 million km from
Sun
|
|
|
|
|
WSA-Enlil
Solar Wind Prediction
|
Planetary
K index
|
|
|
VHF Aurora :
|
|
144 MHz E-Skip
over Europe :
|
|
144 MHz E-Skip
over North America :
|
|
|
D-layer
absorption (50-80 km aloft, HF and LW bands)
|
|
Below,
the location of the gray line (terminator area in gray), auroral ovals
(green) and maximum usable frequencies (MUF) for paths of 3000 km (cyan,
in MHz)
|
Space
Weather Overview
|
|
X-Ray Flux
(SWPC) |
Geomagnetic activity |
|