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2021-03-22

Observers:  Timo Kravtsov , Claudia Gutiérrez, Steve Williams
Support: Takashi Nagao
TAT: Tassilo Schweyer, Jesper Sollerman, Sheng Yang

EFOSC2 Calibrations: Darks, bias frames, Dome Flats, Arcs 

Weather:
Start: humidity 37%, wind 2.9 m/s, seeing 1.2
Middle: humidity 34%, wind 3.2 m/s, seeing 1.2
End: humidity 38%, wind 2.8 m/s, seeing 1.3

Comments:
During the day, the engineers were working in the issue reported last night, because of this we only got the DARKS. The rest of the calibrations were taken in the morning.
23:48: The image analysis was not possible, but some corrections were performed (focus).

 UTTarget 
 TypeSetup SlitExposure (s)Airmass
Seeing 
Notes
23:48

Corrections to improve the image quality
00:23LTT 3864Standardg11+g13+g161.0/1.56x601.111.2 
00:37AT2021gmkClassificationg13
1.06001.131.2Class: SN Ia before max.
00:50AT2020xysFollow-upg11+g161.02x15001.121.2
02:01Focus






02:05SN2021ckjFollow-upBVRI
33001.071.2Imaging
03:00SN2021bnwFollow-upg11+g161.02x27001.351.1
04:54SN2020acatFollow-upg11+g161.02x15001.101.1
06:02AT2021gvmClassificationg131.09001.361.2Class: Blue cont. Some bumps (one could be Halpha)
06:25SN2021ewaFollow-upgri
30001.361.2Imaging. 
07:30Error in the setup


7:35SN2021fxfFollow-upg11+g161.02x27001.11.2
09:25LTT 7379Standardg11+g13+g161.0/1.56x601.11.2
09:40AT2021glvClassificationg131.09001.11.2Class: SN Ia prior to maximum











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