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night-report-2021-05-12

Observers: Daniele Bjørn Malesani, Giorgos Leloudas
Support: Miika Pursiainen, Panos Charalampopoulos
TAT: Giuliano Pignata, Santiago Gonzalez, Jacob Teffs

EFOSC Calibrations: 
Bias, dome_flats, arcs taken in the afternoon.
Bias, dome_flats, arcs taken in the afternoon.

Weather:
- "A picture is better than a thousand words".

Start: humidity <20%, wind speed ~10 m/s, but cloudy (telescope closed)
Middle:

End:

Comments:
Sunset twilight: 23:22 UT
Sunrise twilight: 9:55 UT

 UTTarget 
 TypeSetup SlitExposure (s)Airmass
Seeing 
Notes
EFOSC2
        
23:05
Open telescope






Some clouds but OK at zenith
23:05
L745aStandard
g11, g13, g16
1.0"
Various
1.1
1.4

23:22
SN2019dov
Follow-up
g16
1.0"
1500
1.2
1.6
S/N not great; clouds came in during the exposure
00:05
Close telescope






Completely cloudy












































































































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