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ENR CTIO Blanco 4-m 2015-07-18

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Date: 
Saturday, July 18, 2015
Telescope: 
CTIO Blanco 4-m
Submitter: 
Catrina Diener, David Murphy
Submitter Email: 
cdiener@phys.ethz.ch
Observer Support: 
Manuel Hernandez
Night Assistant: 
Alberto Alvarez
Also Present: 
Kathy Vivas
Problems: 

Local 11.45: DECAL problem. Alberto Alvares reset the computer. Continued at 11.55.

Local 1.30: Observer 1 was hanging and had to be restarted completely. 

Comments: 

We had some cloud coverage for a good part of the night, which may impact the science coming out of this programme. We will have to check on the full dataset after the run, how much of the data is actually usable and whether the science goal can be achieved.

Conditions: 
General Conditions
Temperature Max: 
9.00
Temperature Min: 
5.00
Humidity Max: 
45
Humidity Min: 
33
Wind Speed Max: 
25.00
Wind Speed Min: 
5.00
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
2
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
3
4th Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
4
Program: 
Proposal: 
2015A-0617
Target of Oportunity: 
No
Time Observed: 
11.25
Time Engineering: 
0.0
Time lost technical: 
0.25
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Interstellar extinction curve
Primary Investigator: 
David Nataf
Email: 
david.nataf@anu.edu.au
Institution: 
ANU
Instrument: 
CTIO 4m DECam
Organization: 
N/A
Total Program Time: 
11.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2015-07-18 11.25 0.0 0.25 0.0 0.0 11.5