2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/206984We discuss observational constraints on models of open inflation. Current data from large-scale structure and the cosmic microwave background prefer models with blue spectra and/or Omega_0 >= 0.3--0.5. Models with minimal anisotropy at large angles are strongly preferred.4 pages, RevTeX, with 2 postscript figures included. Second Figure correctedAstrophysicsGeneral Relativity and Quantum CosmologyObservational Constraints on Open Inflation Modelstext