2020-feb-19

Observers : Melissa Amenouche, Anais Möller (Clermont-Ferrand), Mat Smith (Southampton)
Support team:  Tomas Muller, Miika Pursiainen (Southampton), Charlotte Angus (Dark)
TAT:  Lluís Galbany (Granada), Regis Cartier (CTIO), Hanin Kuncarayakti (Turku)

Summary: Photometric night filled with follow-up spectroscopy

Afternoon Calibration: PESSTO_calib + PESSTO_bias x 3
Weather:
    Afternoon: blue skies
    Sunset : red and more red 
    Post-sunset : clear skies; consistent seeing ~1"
    Middle night : clear skies; consistent seeing ~1"
    Early morning: clear skies; consistent seeing ~1"

 UT Targets Purpose Grism/filter Conditions Exp time
 Classification Notes
 23:50 Skyflats Calibration UBgi    
 00:30 L745a Standard gr11, gr13, gr16 (sl1), gr13 (sl1.5)
  30 min
  
 00:30 AT2019spa Followup gr13 0.9'' Airmass: 1.6
 2700s
(SN Ia)
 Fluctuating seeing from 0.8" to 1.4''
 01:40 AT2018lna Followup gr13 0.85'' Airmass: 1.6
 2x1800s (TDE) 
 03:00 AT2020cln Classification gr13 0.9'' Airmass: 1.09
 900s SNIbc @ z=0.05 @ +10days 
 03:30 AT2019azh Followup gr13 1.12'' Airmass: 1.65
 2700s (TDE) 
 04:15 SN2019unb Followup
 gr13 1.1" Airmass 1.16 2700s (SNII)'miscommunication' - this target was observed yesterday; enjoy the extra data Simon :). 
 05:05 AT2020buq Classification gr13 1.24'' Airmass: 1.30
 900s SNIa @ z=0.09 @ +10days 
 05:25 AT2020cwh Classification gr13 --- --- ----No sign of the target in the acquisition image, so no data taken.
 05:30 AT2020ad Followup gr13 1.18'' AIrmass 1.2
 1500s (SN II)
 
 06:00 AT2019yvr Aborted -- --- --- --- Lost 20 minutes due to telescope issue. Aborted the ob because no guide star was available
 06:38 AT2020aqe
 Followup gr13 0.91'' Airmass: 1.08
 1500s (SN II) 
 07:15 AT2020bkp Followup gr13 1.01'' Airmass: 1.10
 1500s (SN II) 
 07:35 AT2018dyb Followup gr11
 0.96'' Airmass: 1.4 2700s (TDE) 
 08:40 AT2020cpg Classification gr13 1.0" Airmass 1.4 900s SNIIb? @ z=0.027 Clear Halpha emission and good matches to SNIb templates. 
 09:00 AT2020crz Classification gr13 1.0" Airmass 1.2 900s SNIa @ z=0.13 @ max 
 09:20 AT2020cxg Classification gr13 1.0" Airmass 1.1 180s Blackbody continuum 
 09:25 EG274 Standard gr11, gr13, gr16 (sl1) 1.0" Airmass 1.1 --- --- ---

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