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ENR CTIO Blanco 4-m 2015-12-15

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Date: 
Tuesday, December 15, 2015
Telescope: 
CTIO Blanco 4-m
Submitter: 
J. Allyn Smith
Submitter Email: 
smithj@apsu.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Carlos Corco
Also Present: 
Eduardo Balbinot, Rutuparna Das, Claudio Aguilera
Problems: 

None.

Comments: 

http://des-ops.fnal.gov:8080/nightsum/nightsum-2015-12-15/nightsum.html

Conditions: 
General Conditions
Temperature Max: 
16.00
Temperature Min: 
11.00
Humidity Max: 
58
Humidity Min: 
38
Wind Speed Max: 
12.00
Wind Speed Min: 
1.00
Comment: 
Passing clouds all night. About 2 hours was relatively clear in the first part of the night, but never photometric. We did not shoot standards due to the clouds.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
2
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
3
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
7
4th Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
7
Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
7.5
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: 
DES
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
7.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2015-12-15 7.5 0.0 0.0 0.0 0.0 7.5