Walter Baade Telescope at Las Campanas Observatory

urn:nasa:pds:context:telescope:las_campanas.magellan_baade_6m5 1.2 Walter Baade Telescope at Las Campanas Observatory 1.22.0.0 Product_Context 2026-07-07 1.2 Removed duplicate Internal_Reference entries from Reference_List. 2025-01-07 1.1 Updated schema version. Adding missing "investigation" references. Adding missing "telescope" references. 2021-08-12 1.0 Created by A.C.Raugh from information downloaded from the Las Campanas Observatory web site on 2021-08-21. urn:nasa:pds:context:facility:observatory.las_campanas telescope_to_facility urn:nasa:pds:context:investigation:mission.double_asteroid_redirection_test telescope_to_investigation urn:nasa:pds:context:instrument:las_campanas.magellan_baade_6m5.imacs telescope_to_instrument 6.5 2400 The Walter Baade telescope is one of a twin pair (with the Landon T. Clay) located on Cerro Manqui at Las Campanas Observatory. The primary mirror is an f/1.25 parabaloid with a honeycomb internal structure to reduce weight. The telescope optics include active controls, including correction of low-order aberrations by controlling the figure of the primary mirror.