Night Report 2019-03-06
Observers: Ana Sagués Carracedo, Cristina Barbarino, Valéry Brinnel
Support Team: LeonardoTartaglia, Jesper Sollerman
TAT: Michel Dennefeld, Morgan Fraser
dome flat and arcs (evening) - Evening arcs aren't valid because they were taken with the misaligned slit. Repeated in the morning.
evening sky flats: UBVRi
morning sky flats: zr
dome flat and arcs (morning)
Start: Humidity 41%, wind speed 1.7, thin low clouds, good seeing (less than 1 arcsec from the acq images).
Middle (5 ut): Humidity 42%, wind speed 3.8, seeing 0.71
End: Humidity 39%, wind speed 1.1, seeing 0.7
DIMM seeing wasn't working at the beginning of the night until around 2UT.
Instrument - EFOSC2
UT Target Type Setup airmass Seeing(DIMM) texp notes
00:19 AT2019bna class gr13 1.2 0.6 (from acq image) Failed: SN not visible in the acquisition image.
00:26 SN2018iuq follow-up gr13 1.35 0.6 (from acq image) 1800s Failed: Slit in an unusual position. No spectrum was taken. We didn't have time to repeat it, so you moved to the following transient.
01:00 TO checked the position of the slit and aligned it.
01:14 SN2018kzr follow-up gri 1.2 1.2 (from acq image) 1800s each filter At around 2UT, DIMM seeing started working giving 0.6 arcsec.
03:05 L745a std gr11+13+16,sl1+1.5 1.1 0.69
03:31 SN2018ldu follow-up gr13 1.56 0.98 2x2700s
05:13 AT2019bkc re-class gr13 1.2 0.71 600s
05:33 SN2018atq follow-up gr13 1.5 0.71 2x2700s The object is the very faint trace in pixel around 675.
07:15 SN2019asz follow-up gr11 1.1 1.1 1800s
07:50 ZTF19aaksxgp class gr13 1.12 1.1 900s type IIn
08:11 EG274 std gr11+13+16,sl1+1.5 1.1 1.3
08:32 SN2019bdz follow-up gr13 1.2 0.7 1500s
09:08 AT2019bkf class gr13 1.1 1.37 900s type Ia
09:30 AT2019bff class gr13 1.5 0.69 300s type Ia