
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
GONG H-alpha
Big Bear Observatory
(Mauna Loa GONG station is offline due to road closure)