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ENR CTIO Blanco 4-m 2017-09-20

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Date: 
Wednesday, September 20, 2017
Telescope: 
CTIO Blanco 4-m
Submitter: 
Claire Poppett
Submitter Email: 
clpoppett@lbl.gov
Observer Support: 
Manuel Hernandez
Night Assistant: 
David Herrera
Problems: 

Connection problems and issues with the telescope control system. Problem fixed via hard reset

Comments: 

Poor seeing for much of the night, improving slightly towards the end

Conditions: 
General Conditions
Temperature Max: 
9.00
Temperature Min: 
8.00
Humidity Max: 
30
Humidity Min: 
0
Wind Speed Max: 
33.00
Wind Speed Min: 
3.00
Comment: 
Clear conditions all night with no wind.
1st Quarter
Clouds: 
Clear
Seeing Value: 
2.00
Seeing Variability: 
1.0
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
3.00
Seeing Variability: 
1.0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
2.00
Seeing Variability: 
1.0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.70
Seeing Variability: 
1.0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
DeCals
Target of Oportunity: 
No
Time Observed: 
10.25
Time Engineering: 
0.0
Time lost technical: 
2.75
Time lost weather: 
0.0
Time lost other: 
0.0
Primary Investigator: 
David Schlegel
Email: 
DJSchlegel@lbl.gov
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
13
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2017-09-20 10.25 0.0 2.75 0.0 0.0 13