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ENR CTIO Blanco 4-m 2018-09-03

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Date: 
Monday, September 3, 2018
Telescope: 
CTIO Blanco 4-m
Submitter: 
Zachary Slepian
Submitter Email: 
zslepian@lbl.gov
Observer Support: 
Hernan Tirado
Night Assistant: 
Claudio Aguilera
Also Present: 
Aaron Meisner (remote) for first hour
Problems: 

None. 

Comments: 

Pointing fluctuated a bit during the middle 3 or so hours of the night, but not a problem. Seeing was not great during the middle of the night but I think this was due to making many observations in r and g at large airmass, ~1.6-2.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.70
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.60
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.60
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
11.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DECaLS
Primary Investigator: 
David Schlegel
Email: 
djschlegel@lbl.gov
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
11
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2018-09-03 11.0 0.0 0.0 0.0 0.0 11