In the former case a contact astronomer's name is given in parentheses. Where the support astronomer's name appears in parentheses, it is expected that they will NOT be required at the telescope. Half nights are defined by the midpoint between astronomical twilight. The standard conditions for over-rides apply.
Spectroscopic observations are to be arranged with the director.
The standard conditions for over-rides apply. No over-ride is to last longer than 3 hours without the Director's approval. No one run is to be over-ridden more than once without the Director's approval. In either of these two cases pay-back time will be made available. A84 and A85 get a combined extra night to compensate for this over-ride.