Mauna Loa Solar Observatory (MLSO)

MLSO acquires unique observations of the Sun’s atmosphere to support NCAR’s goal to address critical gaps in understanding the Sun-Earth system and to provide observations to reduce damage and disruption from space weather hazards.

MAUNA LOA OBSERVATORY IS CURRENTLY CLOSED. It closed on Nov 28, 2022 when Mauna Loa erupted. The new road is scheduled for completion in October 2025. See the Mauna Loa volcano eruption page.

Latest Images

K-Cor

pB Enhanced Intensity
 
NRGF Enhanced Intensity
 
Cropped movies: pB | NRGF
Fullres movies: pB | NRGF

UCoMP

Density
 
Enhanced Intensity
 
Doppler Velocity
 
Line Width
 
Linear Polarization
 
Version 1.0.1 FITS data now available

GONG H-alpha

Big Bear Observatory

(Mauna Loa GONG station is offline due to road closure)

● Big Bear GONG movie

● GONG H-alpha Network

Featured Events

  POS B-field map

  2024-03-30: Fast CME

More Data

Access All Data