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Problem: the dome does not rotate.

This can happen in rather unexpected situations (.e.g. at the start of the observing run, after the observing run, during the observing run, instead of the observing run, etc.), but most typically, after a mains outage, even a short one.

  • Solution: manually turning the dome control off and on again in the dome usually helps.

Problem: the telescope does funny things.

These can include any or all of the following:

  • The telescope does not track.
  • The telescope does not slew.
  • The telescope does slew, but to seemingly random locations.
  • The dome and the telescope moves to different positions.

After manual power down or mains outage, it is necessary to reconnect the telescope in the ASA GUI nightmare thing. Since the whole GUI is a complete mess of seemingly random buttons, do the following steps together with the support astronomer.

  • Solution: Follow the following steps:
    • From m51: ssh -X asascope@172.31.80.100 (for the password, consult the support astronomer, who is right next to you anyway).