Based on observations collected at the European Southern Observatory, La Silla (Chile), and the Complejo Astronómico El Leoncito (CASLEO), operated under agreement between CONICET and the Universities of La Plata, Córdoba, and San Juan (Argentina).

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Galaxy identification numbers throughout the paper are from the Ferguson & Sandage (1990) catalogue of the NGC 5044 Group.

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... IRAF

The Image Analysis and Reduction Facility is made available to the astronomical community by the National Optical Astronomy Observatories, operated by the Association of Universities for Research in Astronomy (AURA), Inc., under contract with the U. S. National Science Foundation.

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