Telescope
- Switch off lights on all floors, close the blind in the restroom.
- Check the Operations Logbook for any restrictions.
- Make a visual inspection of the observing floor.
- Put the Telescope in ENGINEERING MODE.
- Clear any emergency overrides.
- Ensure that none of the SELECT MANUAL CONTROLS buttons have been activated.
- Make sure that the TCS/DAS/ICL software is running.
- Turn on OIL PUMP from the engineering rack.
- Fill detector(s), wear safety helmet (with visor) and gloves when filling
cryostat! Always remember to leave the PRESSURE RELEASE valve on the
dewar OPEN.
- Zeroset encoders.
Check telescope is vertical, HA synchro "12 O`Clock" position and DEC
synchro "9:45" position.
USER>zeroset ha target (or: zero ha tar)
USER>zeroset dec target (or: zero dec tar)
Using the HA and DEC [+]/[-] buttons with slow motion (SM) and very slow
speed, move the telescope so the synchro dial pointers MOVE THROUGH the
"12 O' Clock" position in HA and the "9:45" position in DEC.
- Open up dome top shutter.
Use RAISE MICRO until the OVERTRAVEL indicator goes off, RAISE MAIN until
the shutter stops moving.
- Open up primary mirror cover.
- Switch dome vent fan on.
- Turn off dome lights and close control room blind.
- Switch telescope into Computer Mode.
The HA and DEC slow motion (SM) push buttons MUST be set for SM mode
(i.e. All the lower green sections of the buttons illuminated) and the
oil pump must be on before Computer Mode can be selected.
Commands
- Object catalogue handling.
USER> incl catalogue
USER> out term
SYS> object name 12 20 30 -10 5 40 J2000
SYS> add
SYS> gocat name
USER> output file int:[cat]newfile
- Initial TCS commands.
USER> show focal
USER> focus 14.45 (or from the observers console) SYS> focus 14.45
USER> calibrate last
- Finding Guide Stars.
$ gss
GSS> config int cass
GSS> rot 180
GSS> sea 13 04 33 29 50 49 B1950
GSS> exit
$ type output.gs
SYS> autoxy 430000 580000
- TCS/AutoGuider interface commands.
SYS> rotate sky 180
SYS> offset arc -30 30
SYS> autotv [on|off]
SYS> field
SYS> guide on star n
SYS> guide on pixel x y
SYS> guide off
SYS> autotime t
- Commands listed alphabetically A&G Box.
SYS> ascf Move above slit colour filter
SYS> asnd Move above slit neutral density filter
SYS> autofilt Change the autoguider filter wheel
SYS> autocentre Centres the autoguider XY probe
SYS> autopark Parks the autoguider XY probe
SYS> autoxy Move the autoguider XY probe
SYS> change_agb List contents of all filter wheels and allow a change
SYS> compfilta Move comparison filter wheel A (formerly afarc)
SYS> compfiltb Move comparison filter wheel B (formerly bfarc)
SYS> complamps Control comparison lamps
SYS> compmirror Move comparison mirror - and TV shutter
SYS> compnd Move comparison filters A and B to get desired nd
SYS> flipmirror Move the flip mirror
SYS> tvfilt Change the TV filter
SYS> tvcentre Centres the TV XY probe
SYS> tvpark Parks the TV XY probe
SYS> tvxy Move the TV XY probe
- Commands listed alphabetically IDS.
SYS> bscf Move the below slit colour filter
SYS> bsnd Move the below slit neutral density filter
SYS> camshut Move the IDS camera shutter
SYS> cenwave Change grating angle to give the give central wavelength
SYS> change_ids List all exchangeable optics and allow changing
SYS> collimator Move the position of the collimator
SYS> dekker Move the dekker slide
SYS> gshut Move the grating shutter
SYS> hart Move the hartmanns
SYS> slit Set the slit width in microns
SYS> slitarc Set the slit width in arcseconds
- Command dictionary for UltraDAS.
arc, abort, bias, bin, dark, dasreset, finish, flash, flat, glance,
keep, multarc, multbias, multdark, multflash, multflat, multrun, multsky,
newtime, obssys, promote, rspeed, run, scratch, sky, startobssys,
udas_camera_mimic, udas_detect_ro, udas_hct, udas_server, ximtool
Observers handover check
Ready to go it alone? Please check you are familiar with the following tasks:
- use of Intercom and Telephone
- safety precautions when using liquid nitrogen
- weather precautions, knowing when the dome must be closed
- observing at zenith distance between 57 and 70 degrees
- opening and closing the dome
- moving the telescope in engineering mode
- starting up and shutting down the observing system
- knowing about the most common faults and how to solve them
- writing your data to tape at the end of every night
- filling in fault reports
- filling in log book in control room
- producing the observing log
- filling in observing feedback form at the end of your run
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