The NACQGUID packet lists the header items which define the state of the Nasmyth Acquisition and Guidance unit used for UES observing. The header records should be as follows:
NAGMIRRO= CHAR / Position of A&G box mirror NAGLAMPS= CHAR / A&G box comparison lamps NAGSHUTS= CHAR / A&G box lamp shutters open NAGCFILC= CHAR / A&G box comparison colour filter NAGCFILN= CHAR / A&G box comparison ND filter NAGCDIFF= CHAR / A&G box comparison unit diffuser NAGCSLIT= CHAR / A&G box comparison unit slit NAGMFILC= CHAR / A&G box main colour filter NAGMFILN= CHAR / A&G box main ND filter NAGMFILA= CHAR / A&G box main auxiliary filter NAGAFILT= CHAR / Autoguider filter NAGAUTOF= INTEGER / Autoguider focus (microns) NAGAUTOX= INTEGER / X position of autoguider probe NAGAUTOY= INTEGER / Y position of autoguider probe NAGDDOOR= CHAR / State of dark-slide hatch NAGFDOOR= CHAR / State of filter hatch NAGCDOOR= CHAR / State of calibration-unit hatch