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 observing plan for total solar eclipse on April 8, 2024. See news article for details.

MAUNA LOA OBSERVATORY IS CURRENTLY CLOSED. It closed on Nov 28, 2022 when Mauna Loa erupted. New road is scheduled for completion at the end of 2024. See the Mauna Loa volcano eruption page.

UCOMP FITS DATA RELEASE: Version 1.0.1 of the UCoMP fits data is now complete. Please be sure to look at the UCoMP Users Guide that is provided with each FITS and quicklook download file.

Latest Images

K-Cor pB

K-Cor White Light Corona
Movie: Cropped
Movie: Full Res
 

UCoMP

UCoMP sample data from 2022-02-05
Version 1.0.1 FITS data now available
 

GONG H-alpha

H-Alpha image taken by NSO's GONG instrument at Mauna Loa
● Full-Resolution FITS
● GONG movie
● GONG H-alpha Network

K-Cor NRGF

K-Cor White Light Corona (radial gradient filter applied)
Movie: Cropped
Movie: Full Res
 

CoMP Intensity

CoMP filtergram showing coronal emission intensity
 

Featured Event

Composite movie of CME on 2022-06-13
2022-06-13 CME

More Data

Access All Data

CoMP sample image

CoMP
2013-2018

PSPT sample image

PSPT
1998-2015

Mk4 sample image

MK4
1998-2013

CHIP sample image

CHIP
1996-2013

Coronado sample image

Coronado
2010-2011

PICS sample image

PICS
1997-2010

Mk3 sample image

Mk3
1980-1999

SMM sample image

SMM
1980, 1984-1989