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night-report-2019-12-27

Observers: Tomás Müller, Juanita Antilen
Support Team:  Phil Wiseman, Mat Smith, Matt Grayling, Chris Frohmaier
TAT: Janet Chen, Regis Cartier, Roberta Carini

Calibrations: 
EFOSC calibrations (biases, flats and arcs) done in the afternoon
Vri sky flats taken in the morning

Weather: 
Start: Humidity 34%, wind speed 3.1 m/s, seeing: 1.2".
Middle: Humidity 19.2%, wind speed 1.9 m/s, seeing: 0.85".
End :  Humidity 28%, wind speed 2.2 m/s, seeing: 1.2".

Comments:
Clouds at the start of the night (unable to take sky flats)
The acquisition image of AT2019rwd had bad quality (unable to observe this object due to weather)
We tried to observe the GRB 191228a at ~01:30 UTC 
At ~01:30 UTC weather conditions got better
Weather conditions got much better the second half of the night

Observations:


UT Target Type Setup Seeing Exptime Notes
00:38
AT2019ivc
Follow-up
 Vri
0.8"
5x90+5x60+5x60s
most likely not  the true seeing due to weather conditions
01:30GRB191228aClassification r band1.0''120swe couldn't identify the object in the acquisition image
01:35AT2019wkkClassification    Gr131.7''300s
01:58PG0231STDUBVRigrz1.6'', 1.4''

02:15L745aSTDGr11+13+161.4''

02:33AT2019vqdFollow upGr160.951800s                
03:22Image Analysis     
03:34AT2019pcrFollow upGr111.0''1800s
04:10AT2019pcrFollow upGr161.2''1800s
04:54SN2019fcnFollow upGr130.9'' 60sRotator offset angle -49.23. The target was not seen in the 1min acq image
05:08     OGLE19wcj Follow up Gr160.8'' 2000s 
05:41AT2019vqdFollow upGr160.9''1800s
06:45     AT2019xisClassificationGr131.0''900sUncertainty in finding the target in the acquisition image
07:19AT2019xuoClassification    Gr130.9''900s
07:43SN2019wbg    Follow upGr111.1''2700
08:36LT3864
STD
Gr11+13+16























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