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The First Look Survey (FLS) is the first scientific product to emerge fromthe Spitzer Space Telescope. A small region of this field (the verificationstrip) has been imaged very deeply, permitting the detection of cosmologicallydistant sources. We present Westerbork Synthesis Radio Telescope (WSRT)observations of this region, encompassing a ~1 sq. deg field, centred on theverification strip (J2000 RA=17:17:00.00, DEC=59:45:00.000). The radio imagesreach a noise level of ~ 8.5 microJy/beam - the deepest WSRT image made todate. We summarise here the first results from the project, and present thefinal mosaic image, together with a list of detected sources. The effect ofsource confusion on the position, size and flux density of the faintest sourcesin the source catalogue are also addressed. The results of a serendipitoussearch for HI emission in the field are also presented. Using a subset of thedata, we clearly detect HI emission associated with four galaxies in thecentral region of the FLSv. These are identified with nearby, massive galaxies.

A deep WSRT 1.4 GHz radio survey of the Spitzer Space Telescope FLSv region