Altostratus Altostratus Altostratus with sun weakly visible Altostratus with snow in mountains Altostratus billows Altostratus with sun visible Altostratus without features Altostratus intersecting mountains Altostratus in thin layer near sunset Altostratus with edge near horizon Altostratus with minor waves Altostratus with no features Altostratus in several shapes Altostratus with minor variations