Night report 2024-05-30

Night report 30/05/2024

Observers: Katja Matilainen, Christian Vassallo, Timo Kravtsov

Support: Thomas Killestein, Panos Charalampopoulos, Niilo Koivisto, Hanin Kuncarayakti

TAT: Andrea Reguitti, Lluís Galbany, Tanja Petrushevska

Calibrations:
Afternoon: bias, PESSTO_calib (arcs)

Evening twilight: sky flats not possible because of clouds

Morning twilight: 

Start: Telescope closed due to cloudy sky at the beginning of the night.

Mid & end: Re-opened at UT 02:50. Seeing between 1.3-1.7 arcseconds throughout the night. Temperature +15C, humidity 10%, wind 3-7m/s. Mostly clear sky for the rest of the night with some thin clouds.

Comments: DIMM seeing monitor not working; seeing estimated by TO on acquisition images throughout the night.