  During 1995, the broad-line radio galaxy 3C 390.3 is the subject of a
multi-wavelength monitoring campaign comprised of ROSAT HRI, IUE, and ground
based optical, infrared and radio observations. We report preliminary results
from the monitoring campaign focusing on the X-ray observations. Snapshot ROSAT
observations being made every three days show large amplitude variability. The
light curve is dominated by a flare near JD 2449800 characterized by a doubling
time scale of 9 days and a general increase in flux after the flare. The
optical R and I band light curves show a general increase in flux. The ASCA
spectra obtained before and after the flare can be described by an absorbed
power law. Spectral variability between the two observations is characterized
by an increase in power law index by $\Delta\Gamma \sim 0.08$ at higher flux.
