- About HAO
- Data & Observations
- News & Events
- For Staff
The Mauna Loa Solar Observatory (MLSO) occupies part of the NOAA Mauna Loa research site located on the flank of Mauna Loa at an elevation of 3440 meters on the island of Hawaii. It is operated by the High Altitude Observatory, a division of the National Center for Atmospheric Research, which is located in Boulder, Colorado.
Read the latest news items about the observatory.
Access the logs containing information about MLSO instrument start/stop times, weather conditions, etc. taken each day by our observers on Mauna Loa.
A list of publications utilizing MLSO data (and the link to send us your publication info).
Read about the committee that helps identify MLSO observations which provide the greatest potential for advancing our understanding of the Sun and the heliosphere.
See live weather conditions and activity on Mauna Loa with NOAA's webcams.