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| 16:00-21:00; Stergios: snowing, de-icing at 100%... | 16:00-21:00; Stergios: Maintenance finished around 16:00 (local time). Snowing and dense clouds prevent us from observing even with EMIR. <<BR>> [[attachment:snowing_antena.jpeg|{{attachment:snowing_antena.jpeg||width=600}}|target="_blank"]] <<BR>> Weather clearing up. Some ice on legs and sub-reflector. Operator is going up. UT18:23. DAQ started around 19 UTC with 49/6/62 bad pixels for arrays 1/2/3, respectively. Calibration observations on the closest source 2251+158. A series of pointings/focus shows astigmatism with two lobes present at the final image, which might be caused from the recent stop of the de-icing. Eventually we moved to Uranus aiming for better calibration results. Carsten takes over. Good stability and tau around 0.2. 21:00-03:00; Carsten: |
Daily Reports
Contents
Jan. 24th, Tuesday
16:00-21:00; Stergios: Maintenance finished around 16:00 (local time). Snowing and dense clouds prevent us from observing even with EMIR.
Weather clearing up. Some ice on legs and sub-reflector. Operator is going up. UT18:23. DAQ started around 19 UTC with 49/6/62 bad pixels for arrays 1/2/3, respectively. Calibration observations on the closest source 2251+158. A series of pointings/focus shows astigmatism with two lobes present at the final image, which might be caused from the recent stop of the de-icing. Eventually we moved to Uranus aiming for better calibration results. Carsten takes over. Good stability and tau around 0.2.
21:00-03:00; Carsten:
Jan. 25th, Wednesday
Jan. 26th, Thursday
Jan. 27th, Friday
Jan. 28th, Saturday
Jan. 29th, Sunday
Jan. 30th, Monday