Observers: Jonathan Pineda Garcia & Alessandro Razza Support: Mariusz Gromadzki TAT: Cosimo Inserra & Lluís Galbany SOFI: biases arcs (gr11, gr13 and gr16, arcs evening & morning) SOFI: flats JHK specarc & specflat Weather: Start: Humidity 41.5, wind speed 2.4 m/s Middle: Humidity 40.7, wind speed 3.9 m/s End: Humidity 34.5, wind speed 1.6 m/s Comments: Photometric night. Instrument - SOFI UT Target Type Setup airmass Seeing (1) notes ----------------------------------------------------------------------------------------- 00:54 SN2018ivc Follow-up JHK 1.15 0.6 Started at twilight. 01:15 SN2018ivc Follow-up JHK 1.15 0.6 01:31 SN2018hle Follow-up JH 1.04 0.7 01:49 SN2018ibb Follow-up JHK 1.04 ---- Aborted. Drift in the tracking with the first four J-band images. problems with the actuators during 50 minutes. 02:54 SN2018ibb Follow-up JHK 1.01 0.5 (2) 03:46 SN2018jmt Follow-up JHK 1.19 0.7 (1) Seeing in J-band (Dimm was always giving around 0.1 more). (2) Template JHK_J_16_0__17_5 modified with sligthly longer total exposures to get better S/N (the SN had J=17.5, H=17.5).Instrument - EFOCS UT Target Type Setup airmass Seeing notes ----------------------------------------------------------------------------------------- 05:18 SN2018koy class gr13 1.12 0.8 05:30 ZTF18acurjjx class gr13 --- 0.8 Aborted. Suspected position of a star. 05:54 AT2018kzr class gr13 1.18 0.8 06:22 AT2018kzt class gr13 --- 1.0 Aborted. No source at the position. 06:35 AT2018jpf class gr13 1.56 1.0 06:58 ZFT18adbhrjs class gr13 1.41 0.9 07:17 ZFT18adazgcu class gr13 1.40 0.9 Aborted. No source at the position. 07:26 AT2018kxo class gr13 1.32 0.8 07:48 ZTF18adazeua class gr13 1.51 1.0 08:11 ZTF18adazblo class gr13 1.61 1.3 Comments: Photometric night. |
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