ENR CTIO Blanco 4-m 2014-01-21

*Observing Team*

 

_DES Observers:_ Claudio Bruderer, Peter Nugent

_Telops:_ Alberto Alvarez

_Remote Support:_ Humberto Orrego

 

*Observing Plan*

 

# standard bias and dome flat sequence

# evening standard stars

# run ObsTac queue

# Standards carried out in banded cirrus

# handover to 2nd half

 

*Conditions*

 

# weather in afternoon: 4pm (local): clear skies above, some clouds on horizon

# weather after dinner: 7pm (local): A bit hazy, small clouds on horizon.

# weather at 10 deg twilight: 21:30 (local): little hazy, clouds gone, light wind

# weather summary: 2am (local): Heavy cirrus moved in at 03:00 UT

# Seeing conditions: Median: 0.95  RMS: 0.10

# Wind conditions: none at start of the night and low the whole night

 

*Accomplishments*

 

# Afternoon: zeros done 276555-276565 and 276641-276649, (ugrizY) dome flats done 276566-276640, checked all ok, but u was even lower than expected

# Winner of post sunset leisure activity: Roma (1-0 over Juventus)

# Evening: Standards 276656-276670

# Survey Exposures 276673-276782

# Middle of night (end of half night): Standards 276783-276787

 

 

*Problems tagged as Synopsis_Problem*

 

None.

 

*Minor Problems and Relevant Information*

 

# Some Some issues with the ICS, Klaus and Alistair gave th go-ahead to proceed.

# Occlusion alarms: 2 alarms during the night.

 

 

*Notes for Data Management*

 

None

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No problems in second half of the night.