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Night Report 2018-02-17

Observers: Ken W. Smith, Jesse T. Palmerio
Support Team: David O'Neill, Owen McBrien, Peter Clark, Erkki Kankare
TAT:  Cristina Barbarino, Morgan Fraser
TO: Mauricio Martinez (day) Eduardo Matamoros (night)

Calibrations: EFOSC2 PESSTO_calib, PESSTO_bias

Weather: Unable to observe until 04:00 UT, then thin clouds with humidity around 60%, variable seeing (0.7"-1.2").

Comments: Humidity was 80% at start of night. Telescopes opened for observations around 04:00 UT, once humidity dropped below 70%.


UT         Object         setup          exp          airmass  seeing  note
-----------------------------------------------------------------------------------------
EFOSC
04:06:00   SN2017jfa      gr13 sl1       1800s        1.4       1.1"  
04:43:00   SN2017jfa      gr13 sl1       1800s        1.55      1.0"  
05:22:00   AT2018vs       gr13 sl1       600s         1.4       0.8"   class -> SNIa at z=0.04?
05:37:00   SN2017ens      gr16 sl1       2700s        1.17      0.9"  
06:48:00   SN2017ens      gr16 sl1       2700s        1.12      1.1"
07:47:00   Std_LTT3864   
08:00:00   SN2017iue      gr11 sl1       3600s        1.5       0.8"
09:16:00   AT2018sn       gr13 sl1       900s         1.45      1.1"   class -> SNIa at z=0.09, few days past peak?        
     

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