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3.6
The Exposure meter
The exposure meter GUI shows the status of the two exposure meters, the status of the
shutter, some information about the observation and allows the user to change the Mv of the
observed star (take care with this option).
The background of the graphic panel turns to darker when the shutter is open.
Figure 8- Exposure meter GUI
3.7
The Autoguide
This paragraph describes the main operations allowed by the AG system and is not the
description of the AG. For detailed information about the Autoguide see the HARPS-N
Autoguide Manual Error! Reference source not found..
The reading of the "Autoguide Manual" Error! Reference source not found. is strongly
recommended, given that this manual takes for granted the knowledge of the basic functions
of the autoguiding system.
3.7.1
Starting the autoguide
The guide starts when the observer clicks on the “GO” button of the sequencer GUI.
After the computation of the centroid, more a delay of 5 seconds, the AG send a command to
the sequencer to start the exposure of the scientific observation.
To delay the start of the exposure the TO has to click the Auto – No Sequencer Wait button
and toggle it to Sequencer Waiting … . In this way the sequencer wait
until the toggle to Auto – No Sequencer Wait.
