Night report 2021-04-09
Observers: Priscila Pessi
Support: Christian Vogl, Andreas Floers, Geza Csoernyei, Alexander Holas and Stefan Taubenberger
TAT: Giuliano Pignata, Jacob Teffs, Michel Dennefeld
Bias, dome_flats, arcs.
Skyflats UBVR (last R flats are not usefull because the stars appeared)
Start: humidity 51%, wind 4.9 m/s, seeing 1.3
Middle: humidity 18% wind 7.3 m/s, seeing 1.05
End: humidity 21% wind 6.4 m/s, seeing 1.22
23:13 UT image analysis.
05:00 UT, CCD had a problem the OB was aborted although the integration was finished.
SOFI: Switch at 05:58 UT, image analysis and focus after switch.
One of the quadrants was a bit noisy, we did our best to reduce the noise to the maximum possible.