Night report 2025-05-29

Night report 2025/05/29

Observers: Stefano Pio Cosentino (University of Catania), Callum Francis Aster (Cardiff University)

TO: Carlos La Fuente (ESO)

Support:  Janet's group

TAT: Tanja Petrushevska, Andrea Reguitti, Lluís Galbany 

Start: 23:00UT | Humidity: 16.0% | Wind speed: 3.3  m/s | Seeing: 0.5 (Some thin clouds below 20°)

Middle: 04:19UT | Humidity: 11.0% | Wind speed: 4.8 m/s | Seeing: 0.6'' (Some thin clouds below 20°) 

End:  09:56UT | Humidity: 13.0% | Wind speed:  4.9 m/s | Seeing: 0.6'' 

Calibrations: 

Dark, arc-lamps and dome flats were taken in the afternoon and the morning.

Sky flats were taken in the evening (filters: grz). UBVRi sky flats were taken in the morning.

Notes

Tonight we have a good seeing around 0.8″.