EPSG:3413 WGS 84 / NSIDC Polar Stereographic North

Projection: Polar Stereographic
Latitude of the origin: 90°
Longitude of the origin(central meridian): -45°
Standard parallel: 70°
Scaling factor: 1
False eastings: 0
False northings: 0
Ellipsoid: WGS84
Datum: WGS84
Units: meters

PROJ.4 description:

+proj=stere 
+lat_0=90
+lon_0=-45
+lat_ts=70
+ellps=WGS84 
+datum=WGS84 
+units=m