Breadcrumb Home Observation Mauna Loa Solar Observatory Data & Movies MLSO Data and Movies If using our data, please see the Data Use & Acknowledgements page. Calendar of all MLSO data White Light Corona K-Cor Coronagraph 2013-present Get Data more info Mk4 Coronameter 1998-2013 Get Data more info Mk3 Coronameter 1980-1999 Get Data more info SMM Coronagraph 1980, 1984-1989 Get Data more info Mk4 Composites 2008-2009 Archive Eclipse Archive 1869-present Archive Emission Corona (Fe-XIII) CoMP Coronagraph 2013-2018 Get Data more info H-alpha GONG 2010-present Get Data Coronado 2010-2011 Get Data more info PICS 1997-2010 Get Data more info Photometric PSPT 1998-2015 Get Data more info Helium I CHIP 1996-2013 Get Data more info Miscellaneous 2012 Venus Transit See Movies