Geoscience Data Links: these links are to raw data that often require further processing with open-source tools to analyze.
Digital All-Sky Camera DASC:
Low resolution MPEG video
of DASC digital all-sky camera
One can process DASC data with DASCutils
Meridian Scanning Photometer DMSP:
1983-2010 MSP data (NetCDF 3 in .PF files) was at