Night report 2025-04-15
Night report 2025-04-15:
Observers: Christina Humina, Niko Pyykkinen
Support: Timo Kravtsov, Christian Vassallo, Niilo Koivisto
TAT: Jesper Sollerman, Giuliano Pignata, Tanja Petrushevska, (and Dragana Ilic)
We lost the beginning of the night due to problems with the shutter. The shutter is only working when the instrument is rotated to -180 degrees, so for all the observed targets, the instrument has been rotated. We started observing 04:40 UT.Â
Start 04:34 UT: Humidity: 27% Temperature: 13.4 Wind speed: 4.3 m/s DIMM seeing: 0.55''
End 09:36 UT: Humidity: 17.2% Temperature: 14.1 Wind speed: 4.3 m/s DIMM seeing: 0.5''
Morning calibrations: bias, arcs in g11,g13,g16 and skyflats in UVz
