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night-report-2020-01-22

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

Calibrations: 
Dome flats, sky flats.

Weather: 
Beginning: Humidity 80%, wind speed 5.7 m/s, seeing: 1.4".
Middle: Humidity 44%, wind speed 5.7 m/s, seeing: 1.35".
End : Humidity 53%, wind speed 1.4 m/s, seeing: 1.1".

Comments:
Night was not photometric, with clouds in the in the beginning of the night.  

Observations:


UT Target Type Setup Seeing Exptime Notes
00:55GD71STDg13+g11 1" and 1.5"1.4"TOT 600s
 01:15 PG0231Phot STD  UBVRigrz 1.8" TOT 60s 
 01:25 SN2019mryFollow-up r 1.4" 1800s competed
  Image analysis      due to improvement in conditions
 02:25 AT2020agp Classification/Followup g13 1.2"2700s 
 03:25 SN2018ibbFollow-up  BG 1.4"2400s  
 04:10 AT2019vqd Follow-up g11 1.35" 2X1800s Thin clouds, some reduction in transperacy
 05:20 AT2020alh Classification  g13 1" 180s observed at low airmass
 5:30 AT2020aai Classification g13 1.16" 900s 
 5:50 LTT3864 STD g13+g11 1"  400s 
 6:05 Change to SOFI     
 06:20 AT2019wbg Phot JK 1.27 2500s 
 07:20 Hipp62745 telluric STDBG  1.46 10s 
 7:25 AT2020ueFollowupBG  1.2 960s 
 7:45 AT2020ue Followup JHK 1 120s 
 08:10 Hipp61138  telluric STD BG1 .1 10s 
 08:15 AT2020oi Followup BG 1.1 960s 
 08:45 AT2020oi Followup JHK 1.1 240s 
09:00LTT3218STD BG The STD star was gone! 
 09:15 GD153 STD BG 1.16  taken very much into twilight

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