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ENR CTIO Blanco 4-m 2016-08-12

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Date: 
Friday, August 12, 2016
Telescope: 
CTIO Blanco 4-m
Submitter: 
Eddie Schlafly
Submitter Email: 
eschlafly@gmail.com
Observer Support: 
Alfredo Zenteno
Night Assistant: 
Alberto Alvarez
Also Present: 
Manuel Hernandez
Problems: 

None.

Comments: 

Beautiful night; had images with <0.9" seeing in g band.  Significant cirrus threatened for most of the second half of the night, but we always seemed to be observing to the north away from it, and were essentially unaffected until 8:30 UT.  Remaining two hours, sadly, lost.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Overcast
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
8
Program: 
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
9.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
2.0
Time lost other: 
0.0
Description: 
The DECam Legacy Survey
Primary Investigator: 
Schlegel
Email: 
djschlegel@lbl.gov
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
11.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2016-08-12 9.25 0.0 0.0 2.0 0.0 11.25