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Night Report 2018-12-07

Observers:  Noel  Castro Segura & Miika Pursiainen
Support: Charlotte Angus & Philip Wiseman
TAT:Regis Cartier & Lluís Galbany


Calibrations:
EFOSC:
biases
dome flat fields
arcs (evening and morning)


Weather:
Start:   Some high clouds, seeing was ~1.0 for first hour but then quickly rose to 3
Middle: High clouds -> Restricted to only observe targets close to zenith, seeing varies between 1.5 and 3
End:    Finally the clouds disappear and seeing stays moderate (1-1.5)

Instrument - EFOSC

UT            Target               Type                Setup         airmass             Seeing              notes
-----------------------------------------------------------------------------------------
                Image Focusing
00:15        VMA2               STD                   all               1.2                     1.2
00:40        SN2018gjx       Follow               gr16            2.0                     1.4                    1 out of 2700s exposures finished. Poor seeing (~3) stopped us from trying another
02:05        ATLAS18ztl      Class                 gr13            1.2                     ~2                     Ia prepeak. Note that slit is 1.5" due to poor seeing.
02:35        AT2018jkd       Class                 gr13            1.3                     1.7                    Ia at peak brightness.  Slit 1.5"
02:55        AT2018jjz         Class                 gr13           1.1                     1.4                    Likely Ia-91bg like few weeks after peak. Slit 1.5 is"
03:30        AT2018jfz         Follow               gr11           1.2                     1.4                    Follow up of previously unclassified transient. New spectrum matches with IIP about week after peak. Slit 1.5"
04:20        L745a               STD                   all               1.2                     1.4          
04:45        SN2018hti        Follow               gr11+16     1.2                     1.3                    Slit 1" as seeing has improved             
05:55        SN2018htt        Follow               gr11+16     1.5                     1.5           
06:40        SN2018hfm      Follow               gr13           1.5                     1.5                   
07:55        ZTF18acruldo   Class                 gr13           1.5                     1.2                   Galactic source 
08:20        L745a                STD                   all              1.2                     1.4          
  

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