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ENR CTIO Blanco 4-m 2013-12-21

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Date: 
Saturday, December 21, 2013
Telescope: 
CTIO Blanco 4-m
Submitter: 
J. Allyn Smith
Submitter Email: 
smithj@apsu.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Alberto Alvarez
Also Present: 
Ting Li, Lyndsay Old, Hope Head, Phillip Rooney
Problems: 

Had 3 shutter failures tonight.  reset SISPI and the shutter and cleared each .  Lost one exposure per occurance.  The new shutter failure alarm mode ony triggered on the first one.

Comments: 

None.Seeing was a bit variable tonight compared with previous.  RH jumped up about 0400 UT and wind shifted to out of the East at the sametime.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.75
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.70
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
7.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Dark Energy Survey
Primary Investigator: 
Josh Frieman
Email: 
frieman@fnal.gov
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
N/A
Total Program Time: 
7.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2013-12-21 7.25 0.0 0.0 0.0 0.0 7.25