<?xml version='1.0' encoding='utf-8'?>
<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1M00.sch" schematypens="http://purl.oclc.org/dsdl/schematron"?>
<Product_Context xmlns="http://pds.nasa.gov/pds4/pds/v1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pds.nasa.gov/pds4/pds/v1 https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1M00.xsd">
  <Identification_Area>
    <logical_identifier>urn:nasa:pds:context:telescope:mount_bigelow.0m7</logical_identifier>
    <version_id>1.2</version_id>
    <title>Catalina Sky Survey 0.7-m Schmidt Telescope</title>
    <information_model_version>1.22.0.0</information_model_version>
    <product_class>Product_Context</product_class>
    <Alias_List>
      <Alias>
        <alternate_title>Catalina Sky Survey 0.7-m Schmidt telescope</alternate_title>
      </Alias>
    </Alias_List>
    <Modification_History>
      <Modification_Detail>
        <modification_date>2026-07-07</modification_date>
        <version_id>1.2</version_id>
        <description>Removed duplicate Internal_Reference entries from Reference_List.</description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2025-01-07</modification_date>
        <version_id>1.1</version_id>
        <description>Updated schema version. Adding missing "telescope" references.</description>
      </Modification_Detail>
      <Modification_Detail>
        <modification_date>2020-11-09</modification_date>
        <version_id>1.0</version_id>
        <description>Initial export from OLAF</description>
      </Modification_Detail>
    </Modification_History>
  </Identification_Area>
  <Reference_List>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:context:facility:observatory.mount_bigelow</lid_reference>
      <reference_type>telescope_to_facility</reference_type>
    </Internal_Reference>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:context:instrument:mount_bigelow.0m7.4kccd</lid_reference>
      <reference_type>telescope_to_instrument</reference_type>
    </Internal_Reference>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:context:instrument:mount_bigelow.0m7.10kccd</lid_reference>
      <reference_type>telescope_to_instrument</reference_type>
    </Internal_Reference>
  </Reference_List>
  <Telescope>
    <aperture unit="m">0.7</aperture>
    <telescope_longitude unit="deg">249.26736</telescope_longitude>
    <telescope_latitude unit="deg">32.417006</telescope_latitude>
    <telescope_altitude unit="m">2516</telescope_altitude>
    <coordinate_source>Geodetic - WGS 84 datum</coordinate_source>
    <description>Catalina Sky Survey 0.7-m Schmidt telescope is a wide-field telescope used primarily for discovering and tracking near-Earth objects (NEOs) as part of the Catalina Sky Survey in Arizona.</description>
  </Telescope>
</Product_Context>
