ENR CTIO Blanco 4-m 2014-01-26

*Observing Team*

 

_DES Observers:_ Tomek Kacprzak, David Gerdes

_Telops:_ Claudio Aguilera

_Remote Support:_ Humberto Orrego

 

*Observing Plan*

 

# standard bias and dome flat sequence

# evening standard stars

# run ObsTac queue

# middle-of-night standards

# handover to community observer (E. Costa)

 

*Conditions*

 

# weather in afternoon: 4pm (local): mostly sunny, about 25% cloud cover

# weather after dinner: 7pm (local): mostly clear, hazy

# weather at 10 deg twilight: 21:30 (local): clear, hazy, 66% humidity

# weather summary: 2am (local): clear, humidity dropping,  seeing still poor.

# Seeing conditions: Median: 1.8:"  RMS: 0.9". Really bad all night.

# Wind conditions: moderate 8-15mph

 

*Accomplishments*

 

# Afternoon: zeros done 278024-278032 and 278108-278116, (ugrizY) dome flats done 278033-278107, checked all ok, u dropping as usual 

# Evening: Still no viscachas. Standards 278120-278134

# SN survey exposures 278138-278148, Fields X3z

# Main survey exposures: 278149-278228

# Middle of night standards (end of half night): 277829-277833

 

 

*Problems tagged as Synopsis_Problem*

 

*Minor Problems and Relevant Information*

 

# Intermittent TCS alarms, but with no descriptive error message or obvious problem.

# Seeeing got as bad as 4" at one point. Most if not all of tonight's exposures likely to be flagged as bad.

 

 

*Notes for Data Management*

 

None