PNS MANUAL: installation / mechanics

Mechanical aspects of setting up

Cass at WHT

The observatory staff know all about this. The only thing to check (and this is important!) is the position angle. There are felt-pen markings on the telescope and instrument flanges which must align.

The cryostats will be mounted shortly afterwards. Check that EEV12 is on the Left arm and EEV13 is on the Right. During observations, the area around the dewar windows is flushed with nitrogen, again the observatory staff know all about this.

The PN.S has a cupboard in the Cass area.

Nasmyth at TNG

Not currently relevant (or possible: the flange has not yet been constructed).

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