Night Report 2018-12-03

Observers: Miika Pursiainen &  Noel  Castro Segura

Support: Claudia Gutiérrez & Tomás Müller Bravo

TAT: Joe Anderson  & Janet Chen




dome flat fields

arcs (evening and morning)


Start:     Heavy wind -> Restricted to point towards South West, High humidity (>50%), Thin clouds, seeing ~1.5-2

Middle: Heavy wind, pointing restrictions still apply,  thin clouds, Seeing 1.0-1.5,

End:       Heavy wind, pointing restrictions still apply, Thicker clouds, seeing ~2

Instrument - EFOSC

UT            Target               Type                Setup         airmass             Seeing              notes


                 Image Focusing

00:20        AT2018jhf        class                 gr13            1.4                     1.9                     Ia, about week before peak

00:45        SN2016egz      follow                gr13           1.05                    1.2                                                             

01:35        VMA2               STD                   all               1.3                      1.2

02:00        SN2018ilu        follow               gr11+gr16  1.6                      1.2

02:45        AT2018jgw       class                 gr13            1.04                   1.3                    Ia, about week before peak

03:05        SN2018ffj         follow               gr16            1.04-1.8             1.2-1.5              First two 2700s exposures, slit=1"

05:05        LTT3864            STD                  all                2.4                     1.7

05:30        SN2018ffj         follow               gr16            1.04                    2.0                   Third 2700s exposure, slit=1" to use the same configuration as the first two exposures

06:35        SN2018hxf       follow               gr13            1.3                      2.0                    Due to poor seeing exposure was increased to 2x2600s, but telescope had to close after first exposure due to strong wind

07:30        Telescope closes due to strong wind