This collection contains observations of the Kepler prime field by all HATNet Exoplanet Survey instruments over nearly a decade (2004–2014). Light curves for 404539 objects are available.

HATNet Kepler field of view overlap (left), HATNet observation time coverage (right)
Left: HATNet Kepler field of view overlap. Right: HATNet observation time coverage

The field is well-sampled in time and the photometric precision ranges from 7 milli-mag at the bright (unsaturated) end to 70 milli-mag at the faint end.

Left: the light curve RMS as a function of magnitude. Right: histogram of the number of observations per object
Left: the light curve RMS as a function of magnitude. Right: histogram of the number of observations per object