ALFOSC photometric zero point monitoring

Setup:

• ALFOSC
  
• "standard" filters (U#7, B#74, V#75, R#76, i#12)
  

  Weather

• no clouds   if you are not sure if it is photometric, go ahead, the reductions will show you if it was photometric or not

Instructions:

TCS:

• pick a low-airmass star from the catalogue (+-1.5 hours from meridian), and preset to it (e.g. tcs.guide-object A_F11 )
• make sure you are auto guiding
  
  
• alternatively load /catalogue/alphot.cat , preset to the object and make sure you are auto guiding

  ALFOSC:

• resetxy (if needed)
• choose filter and set appropriate TCS focus-offset
• check that all the other wheels are on open position
• expose and check, using 'QuickExam', that the peak counts of all the stars are around 30-350 kADU or so
• do all five filters
• NOTE!   No calibration frames are needed

Data analysis:

• add a comment in the end-of-night report, so I (TP) can process the data.