Layer Estimates:

Layer: NMPF_18_PassengerVesselDensity_RasterPolys (ID:0)
Count: 108444
Extent:

XMin: -17.615300001
YMin: 47.973558989
XMax: -2.23712983399997
YMax: 56.87296302
Spatial Reference: 4326 (4326)

Layer: NMPF_18_CargoTankerVesselDensity_RasterPolys (ID:1)
Count: 348278
Extent:

XMin: -17.600904139
YMin: 47.9816881580001
XMax: -2.28047851799994
YMax: 56.8663959530001
Spatial Reference: 4326 (4326)