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ENR CTIO Blanco 4-m 2017-12-12

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Date: 
Tuesday, December 12, 2017
Telescope: 
CTIO Blanco 4-m
Submitter: 
J. Allyn Smith
Submitter Email: 
smithj@apsu.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Problems: 

None.

Comments: 

DES night sum is at: http://des-ops.fnal.gov:8080/nightsum/nightsum-2017-12-12/nightsum.html

Conditions: 
General Conditions
Temperature Max: 
12.00
Temperature Min: 
10.40
Humidity Max: 
45
Humidity Min: 
35
Wind Speed Max: 
15.00
Wind Speed Min: 
2.00
Comment: 
Non photometric, high clouds all night, thick at times. Lost guide stars twice.
1st Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky : 
8
2nd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
8
3rd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
8
4th Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
8
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 Freiman
Email: 
freiman@fnal.gov
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
7.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2017-12-12 7.25 0.0 0.0 0.0 0.0 7.25