I usually work with daytime satellite images to do some image classification (mostly Landsat data from the USGS EarthExplorer). Right now I'd like to check at some night time images to work on city lights but I don't know which data sets or web services I should take a look at. Ideally, I'd like it to be a data set with long historical data 1970s-now but everything is welcome. Any ideas please?
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