Abstract
The present conference discusses topics in stellar astronomy, the interstellar medium, the solar system, and astronomical instrumentation. Attention is given to the spectroscopic binary frequency among CNO stars, the eclipsing binary star LZ Her, the photometry of the Delta Scuti star Delta Serpentis, photometric variations in B Iota Herculis, the spectroscopy of the southern Cepheid Beta Dor, the search for new cataclysmic variables, an analysis of the distortion field of the astrographic catalog, the evolution of H II regions, and the pigs, deers, and foxes of the Orion radio zoo. Also treated are JHK photometry of compact planetary nebulae, radiation hydrodynamics in astrophysics, the small scale interstellar dust distribution, aspects of the phase-portrait of resonant problems, periodic planetary events, strip photometry of Comet Halley, a numerical analysis of the azimuthal transport of solar particles, and the status of astronomical instrumentation in Mexico.
