posbi's astropage 
astronomy
files/ping
Calar Alto 3.6m


interests
  Active Galactic Nuclei (AGN)
  • BL Lac objects
  • Host galaxies of AGN
  • Gigahertz Peaked Steep Spectrum (GPS) radio source
  • Compact Steep Spectrum (CSS) radio sources
  • Multifrequency observation of AGN
Astrophotography
  • Deep Sky Imaging
  • Interacting Galaxies