Night report 2024-12-23

Night Report 2024-12-23

Observers: Niilo Koivisto, Christian Vassallo

Support: Christina Humina, Timo Kravtsov, Niko Pyykkinen

TAT:  Janet Chen, Nada Ihanec, Amar Aryan

Start ( 02: 07 UT): Humidity: 53.7%, Temperature: 14.5 Celsius, Wind speed: 4.7 m/s , Seeing: 1.1  

Middle (05:01 UT): Humidity 32%, Temperature: 15.8  Celsius, Wind speed: 3.8 m/s , Seeing: 1.2

End ( 06:22 UT): Humidity 29%, Temperature: 16.1  Celsius, Wind speed: 2.8 m/s, Seeing: 0.6   

Calibrations: Afternoon calibrations:  bias, spec flats, arcs in gr11, g13, gr16. Morning calibrations: arcs in gr11, g13, gr16

Comments:  Seeing around 1 until UT ~06, after that, well below 1. Overall very good observing weather!