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Contents

• List of Tables
• List of Figures
• STAFF CONTACTS AND INTRODUCTION
  • STAFF CONTACTS
  • INTRODUCTION
• INSTRUMENT DESCRIPTION/PERFORMANCE
  • INSTRUMENT DESCRIPTION OVERVIEW
    • REFERENCE PAPERS
    • THE HYDRA FIBER POSITIONER
      • The Fiber Cables
      • The Focal Plate Assembly
      • The Gripper and Stages
    • CALIBRATION SOURCES
    • THE HYDRA GUIDER
    • THE BENCH SPECTROGRAPH
      • Summary of Spectrograph Characteristics
      • The Fiber Module
      • Filters
      • The Bench Acquisition TV and Fiber Back Illuminator
      • The Collimator
      • The Grating Module and Gratings
      • The Camera Axis Mount
      • The Simmons Camera
      • The Bench Spectrograph Camera
      • The Detector
      • The Camera Focus Module
      • The Simultaneous Comparison Sources
      • Sample Bench Spectrograph Capabilities
    • INSTRUMENT COMPUTERS
  • INSTRUMENT PERFORMANCE
    • FIBER SPECTRAL TRANSMISSION
    • FIBER TO FIBER THROUGHPUT
    • SEEING, POSITIONING, AND ATMOSPHERIC LOSSES
    • FIELD VIGNETTING
    • MEASURED SYSTEM THROUGHPUT
    • FLAT FIELD EXPOSURES
    • WAVELENGTH CALIBRATION EXPOSURES
    • SPECTROGRAPH SCATTERED LIGHT
    • SAMPLE DATA
• OBSERVING RUN PREPARATION AND INSTRUMENT OPERATION
  • GENERAL OBSERVING RUN PREPARATIONS
  • MANUALS AND SOFTWARE ACCESS
    • AVAILABLE MANUALS
    • AVAILABLE SOFTWARE
    • ACCESS TO MANUALS AND SOFTWARE
      • FTP Access of Hydra Manuals and Software
      • Printing the Assignment Manual
      • Printing the Hydra/WIYN Users Manual
      • Compiling the Assignment Code
      • Compiling the Bench Spectrograph Setup Code
      • Setting Up the Hydra Simulator
      • To Access and Print the ArCon CCD Manual
  • BENCH SPECTROGRAPH USE
    • DESIGNING A SPECTROGRAPH CONFIGURATION
      • Sample Run of Spectrograph Setup Program
    • BENCH SPECTROGRAPH SOFTWARE CONTROL
  • HYDRA INSTRUMENT USE
    • SUGGESTIONS FOR CREATING THE TARGET FIELDS
      • Target Selection
      • Sky Positions
      • Field Orientation Star Selection
    • FIBER CABLE SELECTION
      • Advantages of the Red Cable
      • Advantages of the Blue Cable
    • CREATING THE TARGET ASSIGNMENTS
    • SUBMITTING THE TARGET ASSIGNMENTS
      • NOAO Queue Programs
      • Visiting Astronomer Programs
    • LOGGING ONTO THE COMPUTER
      • Logging Onto the Console Terminal for Oatmeal
      • Starting up the Instrument Software
      • Initializing the Instrument
    • CONFIGURING FIELDS
      • The Setup Field Command
      • Sample of Setup Field Command
      • The Setup Observe Command
      • Sample of Setup Observe Command
    • WAVELENGTH CALIBRATIONS
      • The Setup Comps Command
      • Sample of Setup Comps Command
    • FLAT FIELD CALIBRATIONS
      • The Setup Flats Command
      • Sample of Setup Flats Command
    • TELESCOPE FOCUS
    • AUTOGUIDING
    • OBSERVING STANDARD STARS
      • The Standard Command
      • Sample of Standard Command
      • An Alternative to the Standard Command
    • USE OF SCRIPT FILES
      • How to Run a Script File
      • Useful Script Files
    • EXITING AND INSTRUMENT SHUT DOWN
    • INSTRUMENT PROBLEM RECOVERY
      • Recovery of Lost Fibers
      • X-Stage Realignment
    • SOME MISCELLANEOUS USEFUL COMMANDS
      • Determining Location of the Gripper, Fibers, and Objects
    • THE .IRAF FILE AND CCD HEADER INFORMATION
      • Sample .iraf File
  • LIST OF ACRONYMS AND SOME USEFUL TERMS
  • LIST OF POSITIONER COMMANDS
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