General Instruction


Before Observation!


During Observation

  • Don't bring any eatable material in the TCS room, only drinking water you can carry.
  • Use of air dryer/heat convectors are strictly prohibited in the telescope building.
  • All observers are requested to fill online observation log during their observing run or as per their suitability but before 08:00am Online Observation log.
  • Keep an eye on the All-sky camera, humidity, temp, wind speed and weather during observations Weather Conditions and Live Sky .
  • Don't forget to take BIAS during the observations.


After Observation

  • Copy your data( best time to start copying is in between the end of observation and the flat observing time ).
  • Check CCD is properly reset to the room temperature & shutdown or not.
  • Check mirror flap.
  • Switch off filter unit at first slot position.
  • Park Telescope at Zenith.
  • Close dome properly.
  • Shut down TCS PC.
  • Put all waste material in to dust bin.
  • After the end of observations, please fill the online feed back form, your feedback is very important for the observatory to improve its facility. Online Feedback Form
  • Good Morning & go to sleep.


Before leaving observatory

  • Please pay mess/canteen bill in time.
  • For cleaning related issues please fill the form Cleaning Related issue-1.3m DFOT
  • You can also inform verbally to the staff members of Devsthal about the problems you have faced during observations.
  • Be sure that your data is being copied by you.
  • Throw away food or waste material in dust bin and wash the dishes you have used.
  • Leave your bedroom tidy.
  • Please confirm before leaving that the bedroom windows are closed, geyser/heater are switched off and the water taps are tightened.
  • Look around to be sure that you haven't forgotten anything!

  • Thank You
    1.3m DFOT Team