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