ENR CTIO Blanco 4-m 2014-01-28

*Observing Team*

 

_DES Observers:_ Tomek Kacprzak, David Gerdes

_Telops:_ Claudio Aguilera, Manuel Hernandez

_Daytime Support:_ Manuel Hernandez

 

*Observing Plan*

 

# standard bias and dome flat sequence

# evening standard stars

# run ObsTac queue

# middle-of-night standards

# handover to community observer

 

*Conditions*

 

# weather in afternoon: 4pm (local): cumulus clouds on horison, moderate wind, humidity 55%

# weather after dinner: 7pm (local): clear

# weather at 10 deg twilight: 21:30 (local): clear

# weather summary: 2am (local): clear, stable 1.15" seeing

# Seeing conditions: 1.2" +/- 0.2"

# Wind conditions: low (5-8 mph)

# wildlife: TWO viscachas!

 

*Accomplishments*

 

# Afternoon: zeros done 278677-278685 and 278761-278769 278686-278760 (ugrizY) dome flats done, checked all ok, u dropping as usual 

# Wide survey exposures: 278806-278816; 277823-277864

# Supernova fields: 278818-277822, fields C1

# Middle-of-night standards (full set since we did not do evening standards): 278865-278879

 

 

*Problems tagged as Synopsis_Problem*

# Database server (server2) experienced multiple disk failures and brought everything to a halt after afternoon calibrations. Operations were redirected to backup machine server3 thanks to heroic efforts by Liz and Klaus. Data-taking resumed around 11:30pm local time.

 

 

 

*Minor Problems and Relevant Information*

 

Evening standards not done due to computer problems.

 

 

*Notes for Data Management*

 

Not delivered: 278804, exposure not taken