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We report the serendipitous discovery of a bright point source flare in theAbell cluster 1795 with archival EUVE and Chandra observations. Assuming theEUVE emission is associated with the Chandra source, the X-ray 0.5-7 keV fluxdeclined by a factor of ~2300 over a time span of 6 years, following apower-law decay with index ~2.44+-0.40. The Chandra data alone vary by a factorof ~20. The spectrum is well fit by a blackbody with a constant temperature ofkT~0.09 keV (~10^6 K). The flare is spatially coincident with the nuclearregion of a faint, inactive galaxy with a photometric redshift consistent atthe one sigma level with the cluster (z=0.062476). We argue that theseproperties are indicative of a tidal disruption of a star by a black hole withlog(M_BH/M_sun)~5.5+-0.5. If so, such a discovery indicates that tidaldisruption flares may be used to probe black holes in the intermediate massrange, which are very difficult to study by other means.

A Tidal Disruption Event in a Nearby Galaxy Hosting an Intermediate Mass Black Hole