Mauna Loa Solar Observatory - MLSO

COSMO K-Coronagraph (K-Cor)

K-Cor on the Spar

K-Cor on the MLSO spar

Contact Us

MLSO Users' Committee

The Mauna Loa Solar Observatory (MLSO) is a facility of the National Center for Atmospheric Research (NCAR) and is operated by the High Altitude Observatory (HAO). It provides observations of the solar photosphere, chromosphere and corona in order to understand the Sun’s continuous release of plasma and energy into interplanetary space and the impacts at Earth. HAO is committed to providing the community with critically important, high-quality solar observations.

MLSO Publications

1024 References, 33 abstracts, and 133 citations as of January, 2017.

It is hoped that this listing will be of use to the scientific community. The current list is incomplete. If you are aware of any publications relating to Mauna Loa data which are NOT posted on this listing, please send the reference information via e-mail to:

MLSO Instruments

MLSO Data and Movies

Mark Rast

Mark Rast has been an HAO affiliate scientist since 2006. He was an ASP postdoc from 1993 to 1995, and an HAO scientist from 1998 to 2005.

End of an era: The Mauna Loa K-coronometer is decommissioned

Mk3 Installed at MLSO

The Mauna Loa Solar Observatory (MLSO) K-coronameter (Mk4), was decommissioned on August 2, 2013, to be replaced by the new COSMO K-coronagraph.

A New Coronagraph for Mauna Loa

NCAR's High Altitude Observatory (HAO) will be installing a new white light coronagraph at the Mauna Loa Solar Observatory (MLSO) in Hawaii in August of this year (2013).


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