The observing team at Gemini keeps a detailed log of each night's science observing, also noting weather issues, technical faults and any time spent in planned engineering. It is read by Gemini staff early each morning. A summary of the night is written at the end of observing and included at the top of each night log. That summary is posted here, unedited, to give interested users a feel for what we're doing.

Show nightlog summary for the night of:

Dec 15, 2018 The sky is expected to be clear all night. We will continue with the GPI. GMOS, and F2 queue. The night crew arrived to a clear summit and low winds. Opened immediately and encountered problems with P2 during tuning. Tonight was not without its troubles, but we managed some band 1 and band 2 programs with GMOS and F2.
Dec 14, 2018 Multi-instrument queue from SBF. Variable seeing throughout the night. Observed a band 1 program, a couple of band 2, and over an hour of band 4 observations.
Dec 13, 2018 GMOS, F2, and GPI queue at SBF. Variable conditions and seeing throughout the night. GPI was attempted twice without success. Night was finished with more than two hours of band 4 observations.
Dec 12, 2018 Multi-instrument queue from SBF. Good weather conditions throughout the night, mostly IQ70. We observed band 1 and 2 programs with GPI, F2 and GMOS. Almost an hour lost to technical faults.
Dec 11, 2018 GMOS, F2, and GPI queue. Clear all night. We started in IQAny, but quickly improved to IQ70. We ran GMOS, F2, and GPI queue, and stayed in bands 1&2 throughout. A very productive night.
Dec 10, 2018 GMOS and F2 queue A very productive night under mostly very good seeing, with advance on band-1 programs, and also on F2 OI performance check during a lapse under somewhat poorer seeing with encouraging results.
Dec 09, 2018 GMOS and F2 queue A productive night, better seeing most of the time except for a couple of periods of high variability. Night dominated by band-1 programs observations.
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