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night-report-2020-01-23

Observers: Erez Zimmerman, Ido Irani, Steve Schulze
Support Team: Rachel Bruch, Ofer Yaron
TAT: Lluís Galbany, Claudia Gutiérrez, Annalisa De Cia

Calibrations: 
Dome flats, no sky flats in evening twilight due to clouds. SOFI daytime calibrations were performed following previous night observations
Morning sky flats in UBVri (planned to be split, but was not possible due to telescope closure at the beginning of the night)

Weather: 
Beginning: Humidity above 80%, telescope closed 
Middle: Humidity 68%, wind speed 1.5 m/s, seeing: 0.6".
End :  Humidity 74%, wind speed 2 m/s, seeing: 0.6".
Comments:
Night was not photometric, with clouds in the in the beginning to the middle of the night.  Conditions improved significantly at the middle of the night.

Observations:


UT Target Type Setup Seeing Exptime Notes
4:10LTT3864STDg13+g11 1"+1.5"0.6"340s
 4:30 AT2020qizFollow-up g110.7"2700s 
 5:20AT2020ahnclassificationg130.8"1500s
 5:55 AT2019wbgFollow-up g110.93" 1800sX2 
7:00 AT2019wbg Follow-up  BU phot 0.8" 5 min X3+5 min X1 
 07:36 AT2017des Follow-up  V 0.7"1200s  
 08:09 AT2020alaClassification g13 0.76"
 600s not found in acquisition image
 08:26 AT2020alf Classification g13 0.56600s 
 08:43 GD153 STD g13+g11 1" 0.66 340s 
 08:52 AT2020akj Classification                  g13 0.72 600s 
       
       

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