<?xml version='1.0' encoding='utf-8'?>
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    <logical_identifier>urn:nasa:pds:context:telescope:steward-kittpeak.bok2m3</logical_identifier>
    <version_id>1.2</version_id>
    <title>Kitt Peak 2.29-m Bok Boller and Chivens Ritchey-Chretien Reflector</title>
    <information_model_version>1.22.0.0</information_model_version>
    <product_class>Product_Context</product_class>
    <Alias_List>
      <Alias>
        <alternate_title>2.29-m Bok Boller &amp; Chivens Ritchey-Chretien refl.</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>
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      <Modification_Detail>
        <modification_date>2025-01-07</modification_date>
        <version_id>1.1</version_id>
        <description>Updated schema version. Adding missing "telescope" references.</description>
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      <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.steward-kittpeak</lid_reference>
      <reference_type>telescope_to_facility</reference_type>
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    <Internal_Reference>
      <lid_reference>urn:nasa:pds:context:instrument:steward-kittpeak.bok2m3.90prime</lid_reference>
      <reference_type>telescope_to_instrument</reference_type>
    </Internal_Reference>
  </Reference_List>
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    <aperture unit="m">2.29</aperture>
    <telescope_longitude unit="deg">248.40049</telescope_longitude>
    <telescope_latitude unit="deg">31.963028</telescope_latitude>
    <telescope_altitude unit="m">2071</telescope_altitude>
    <coordinate_source>Geodetic - North American (1927) datum</coordinate_source>
    <description>The 2.29-m Bok Boller &amp; Chivens Ritchey-Chrétien reflector, located on Kitt Peak, is known for its wide field of view and is used for a variety of projects, including surveys and imaging of galaxies and stars.</description>
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