... Table of Contents - Subject Index - Author Index - Search - PS reprint - PDF reprint . ... We have undertaken a project to create a database of all HST imaging observations organized by position on the sky. ... These ``pointings tables'' enable quick identification of overlapping fields that can be used for multi-wavelength studies of objects and for variability studies by comparing images at given positions over different epochs. ... Users select the instrument pointings table they wish to search. ...