European Southern Observatory New Technology Telescope

General :
Observations :
Operations :

CCD Dewar Vacuum Log

• EMMI

Every day , measure the dewar vacuum of EMMI ccd's as follows :

• connect the vacuumeter cable behind the dewar.
• switch on the wacuumeter and press the two leftmost buttons until a numerical value is displayed
• wait 2 minutes and write down the result in the CCD refilling log.

 

• SUSI2

Read pulpo display every day  and write down the result in the CCD refilling log.
   

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