CCI THREDDS Data Server Catalog https://data.cci.ceda.ac.uk/thredds/catalog/esacci/sst/data/comparison/AVHRR_Pathfinder/1991/09/18/catalog.html

Dataset Size Last Modified
     Folder  18   --
         19910918123415-NODC-L3C_GHRSST-SSTskin-AVHRR_Pathfinder-PFV5.2_NOAA11_G_1991261_day-v02.0-fv01.0.nc 13.60 Mbytes 2013-11-22T11:50:24Z
         19910918035240-NODC-L3C_GHRSST-SSTskin-AVHRR_Pathfinder-PFV5.2_NOAA11_G_1991261_night-v02.0-fv01.0.nc 12.79 Mbytes 2013-11-22T11:50:24Z

CCI THREDDS Data Server at CEDA see Info
Documentation