Contents

• Contents
• Scope of this manual
  • Document history
• JKT, JAG, and CCD-imaging overview
  • The Jacobus Kapteyn Telescope
  • The JKT Acquisition and Guiding box (JAG)
• Things you need to know
  • Lone worker alarms
  • Filling the cryostat
  • Humidity, dust, and wind limits
  • Telescope panic button
  • Observing floor
  • JKT image quality
  • Computer guest accounts
  • Deleting files from disk
  • Logs and Log books
  • FAULT Database
  • Intercom and telephone
  • Feedback report
• Data tapes
  • Writing the D-tape at the end of night
  • Producing C tapes
  • Verifying the tapes
• Afternoon activities
  • TCS startup
  • ICS/DAS startup
  • Filter changes
  • Biases and dome flats
  • IRAF startup
• Twilight/evening activities
  • Start telescope and zeroset encoders
  • Powering up the JKT: normal procedure in detail
  • Sky flats
  • Handset
  • Calibrate
  • Focus
  • Observing
• Morning activities
• Appendix A: TCS commands
  • TCS commands that can be issued through the ICS
• Appendix B: ICS commands
• Appendix C: DAS commands
• Appendix D: Example DAS/ICS observing scripts
• Appendix E: Relevants parts of the 1989 version of JKT user manual
  • About the telescope
  • The dome and rising floor
  • The TV acquisition camera
• Appendix F: TROUBLE SHOOTING
  • Telescope runaway
  • Releasing telescope from the limit switches
  • If the dome won't turn
  • FOX errors
  • No stars seen
  • No guide stars found
  • Rising floor won't!
  • Images elongated or show jumps
  • Field vignetting
  • Unable to identify field on TV
  • CCD telemetry out of range
  • Servo amps alarm
  • Hydrogen alarm
  • No communication between TCS and ICS/DAS
  • Autoguider ACQUIRE doesn't pull in