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ENR CTIO Blanco 4-m 2015-09-23

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Date: 
Wednesday, September 23, 2015
Telescope: 
CTIO Blanco 4-m
Submitter: 
Anna Barbara Queiroz
Submitter Email: 
anna.queiroz@ufrgs.br
Observer Support: 
Manuel Hernandez
Night Assistant: 
Rodrigo Hernandez
Also Present: 
Claudio Aguilera
Problems: 

High humidity and low clouds. The humidity was above 80% during the whole night. These weather conditions were not good to open the dome, there were no observations during this night.

Comments: 

None.

Conditions: 
General Conditions
Temperature Max: 
4.00
Temperature Min: 
-0.30
Humidity Max: 
93
Humidity Min: 
75
Wind Speed Max: 
20.00
Wind Speed Min: 
10.00
Comment: 
None.
1st Quarter
Clouds: 
Partially cloudy
Precipitation: 
High Humidity
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
6
2nd Quarter
Clouds: 
Partially cloudy
Precipitation: 
High Humidity
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
3rd Quarter
Clouds: 
Partially cloudy
Precipitation: 
High Humidity
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
4th Quarter
Clouds: 
Clear
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
10.0
Time lost other: 
0.0
Description: 
Dark Energy Survey
Primary Investigator: 
Joshua Frieman
Email: 
frieman@fnal.gov
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
10
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2015-09-23 0.0 0.0 0.0 10.0 0.0 10