The host galaxy observed with the HST/STIS camera. The redshift of this burst was z=0.434 and it is thus one of the closest cosmological bursts. The distance between the two knots is 1500 pc. It is possible that these knots are two separate star forming regions. The GRB occurred in the right knot.
L. Christensen
more at http://www.aip.de/groups/opti/pmas/OptI.html  (image added 2003-01-29)