Deep Hubble Space Telescope Imaging of Globular Clusters Towards the
  Galactic Bulge: Observations, Data Reduction and Color-Magnitude Diagrams
  The Galactic globular clusters (GGCs) located towards the Galactic bulge have
generally been excluded from large-scale photometric GGC surveys due to severe
total and differential extinction. Here, we present an overview of a Hubble
Space Telescope program designed to obtain deep, high spatial resolution
multiband imaging of 16 poorly studied GGCs located towards the inner Galactic
bulge and disk. In this first paper of a series resulting from these
observations, we give an overview of target cluster selection, observations and
data reduction procedures for optimizing the resulting photometric catalogs.
Artificial star tests are used to compare the respective advantages of
different data reduction strategies in terms of photometric and astrometric
precision and photometric incompleteness. We present the resulting
color-magnitude diagrams (CMDs) of all target clusters in several
color-magnitude planes, along with CMDs of comparison fields from parallel
observations. For each target cluster, we summarize existing studies, and
discuss their CMDs qualitatively in the context of these results.
