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Night report 2019-12-04

Observers: Thomas Wevers, Nada Ihanec
Support TeamMariusz Gromadzki, Emma Callis
TAT: Lluís Galbany, Michel Dennefeld, Shubham Srivastav, Phil Wiseman

Calibrations:
EFOSC daytime calibrations (biases, flats and arcs)
Sky flats UBVi (evening)
Sky flats grz (morning)

Weather: 
Start: Humidity 35%, wind speed 3.1m/s, seeing: 1.1".
Middle: Humidity 30%, wind speed  3.4m/s , seeing: 1" 
End : Humidity 22%, wind speed  5m/s, seeing: 1.3"

Comments:
In first half of the night, the seeing was stable around 1". In the second half it got worse.
No more ice-cream machine but we do have Christmas tree.

Observations:

UT Target Type Setup Seeing Exptime Notes


EFOSC


seconds
Seeing measured from (acquisition) images
  Sky flats
 CALIBUBVi
   
00:08
image analysis





 00:35 AT2019rwdfollow-up
gr13
 1.12x2700s
 
 02:19AT2019spa
follow-up 
gr11, gr16
 11800s, 1800s
 
03:39
 AT2019qizfollow-up
gr11
 11800s 
04:22
AT2019vrq
follow-up
gr11, gr16
 1.1900s, 900s
 
05:01
AT2019vut
classification
gr13
 1.3600s astrodash gives SNIa-norm z=0.059
05:19
SN2019vqd
follow-up
gr11, gr16
 1.72x1500s, 2700s
 
07:12
AT2019vjl
follow-up
gr13 1.72400s 
08:03
AT2019uym
classification 
gr13
1.3
900s
 astrodash gives Ia, z=0.05
08:22
AT2019wcd
classification
gr13
1.4
700s
 astrodash gives Ia, z=0.067
08:41
I745a
CALIB
 gr11, gr13, gr160
   
  Sky flats

r   too bright for gz
Comments