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Abstract
Optical CCD/interference filter imagery and long-slit CCD spectrophotometry are presented of the remnant of Kepler's supernova (SN 1604 A.D.) obtained with the 2.5 DuPont telescope at the Las Campanas Observatory. Substraction of a continuum image from the emission line image shows the full extent of the optical emission of the supernova remnant, which has both diffuse and knotty structures. Spectroscopy in the 4700-7000 A range confirms the presence of nonradiative, Balmer-dominated, shock emission in Kepler's remnant and shows this emission to be much more extensive than previously realized, extending to knotty structures as well as diffuse emission.
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