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ENR CTIO Blanco 4-m 2013-12-04

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Date: 
Wednesday, December 4, 2013
Telescope: 
CTIO Blanco 4-m
Submitter: 
Elisabeth Krause
Submitter Email: 
ekrause@sas.upenn.edu
Observer Support: 
None
Night Assistant: 
Claudio Aguilera
Also Present: 
Rutu Das, Marcelle Soares-Santos, Lyndsay Old
Problems: 

GCS failure on exposure 260432; exposures 260427-260431 lost due to giuder noise

Comments: 

None.

Conditions: 
General Conditions
Temperature Max: 
18.30
Temperature Min: 
13.00
Humidity Max: 
39
Humidity Min: 
15
Wind Speed Max: 
12.00
Wind Speed Min: 
1.00
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.14
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
2
2nd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
3
3rd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
4
4th Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
6
Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
7.0
Time Engineering: 
0.0
Time lost technical: 
0.25
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Dark Energy Survey
Primary Investigator: 
Josh Frieman
Email: 
ekrause@sas.upenn.edu
Institution: 
DES
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
2013-12-04 7.0 0.0 0.25 0.0 0.0 7.25