url = 'http://eoszoo.hdfgroup.uiuc.edu:8888/opendap/data/HDF4/HDF-EOS2/AQUA/AIRS/Grid/AIRS.2008.10.27.L3.RetStd001.v5.2.2.0.G08303124144.hdf'
stat = OPENDAP_GET(url, data, mode='data')
PRINT, stat
HELP, /str, data
dataset = data.TOPOGRAPHY.TOPOGRAPHY.TOPOGRAPHY
lat = data.TOPOGRAPHY.lat.lat
lon = data.TOPOGRAPHY.lon.lon
levels = 12
DEVICE, decomposed=0
LOADCT, 33, Ncolors=12, Bottom=3
WINDOW, 0, Title='AIRS.2008.10.27.L3 Topography', XSize=600, YSize=400
MAP_SET, /GRID, /CONTINENT
CONTOUR, dataset, lon, lat, /OVERPLOT, /FILL, C_Colors=Indgen(levels)+3, Background=1, NLEVELS=levels, Color=Black
MAP_GRID, /LABEL, COLOR=255
MAP_CONTINENTS, COLOR=255