ENR CTIO Blanco 4-m 2014-01-25

*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 (R. Munoz)

 

*Conditions*

 

# weather in afternoon: 4pm (local): clouds moving in

# weather after dinner: 7pm (local): clouds moving out

# weather at 10 deg twilight: 21:30 (local): clear, some clouds on E horizon 

# weather summary: 2am (local): clear, 70% humidity

# Seeing conditions: Median:1.3"  RMS: 0.14"

# Wind conditions: moderate (8-10mph)

 

*Accomplishments*

 

# Afternoon: zeros done 277714-277722 and 277798-277806, (ugrizY) dome flats done 277723-277797, checked all ok, u dropping as usual

# Winner of post sunset leisure activity: 

# Evening: Standards 277811-277825

# SN survey exposures 277829-277858 (excluding 277851 and 277853), SN fields S1, X1, C3g,r, X3g,i

277852 test exposure after Claudio restarted 4MAP.

# Main survey exposures: 277859 - 277907

# Middle of night (end of half night):277908-277912

 

 

*Problems tagged as Synopsis_Problem*

 

23:18 local time, 4MAP system failed, aborted exposure 277851, stopped obstac.

Restarted obstac 23:27

 

*Minor Problems and Relevant Information*

 

# Occlusion alarms: None.

One 4MAP failure, cost about 15min.

 

 

*Notes for Data Management*

Exposures 277851 and 277853 were aborted and not delivered due to 4MAP problem.

That corresponds to i band SN-X3 4/6 and 5/6.