Contents

• Introduction
• Observing Overview: Taking the Data
  • The Only Command You Really Need: observe
    • Useful Windows: Exposure in Progress!
    • Coming to the End
  • Doing More with more
  • DOOBS: Your Way to Easier Data Collection
  • Interrupting, Changing, or Terminating an Exposure
  • How to Get Help
• The Parameters Files
  • detpars
    • Digression: The Power of ccdinfo
  • instrpars
  • obspars
  • telpars
• Dealing with the Data
  • What Multiple Amps Means for You
  • Examining Your Data
    • Using mscexamine
    • Subtle Issue About the Display
  • Reducing Your Data
• Filters
• Focusing
• Writing Your Data To Tape
  • Safe Taping
  • Save-the-Bits!
• Calibration Recommendations
• Logging In, What It Looks Like, and How to Get Out
  • Logging on
  • What Windows Go Where: What Your Desktop Looks Like
  • Logging Out
• At The Very Beginning of Your Run: obsetup and obsinit
• Changing filters
• Problems?
• SUMMARY OF FACTS
• Unresolved Issues As of This Writing
• Figures