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ENR CTIO Blanco 4-m 2014-04-22

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Date: 
Tuesday, April 22, 2014
Telescope: 
CTIO Blanco 4-m
Submitter: 
Lori Allen
Submitter Email: 
lallen@noao.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
David Herrera, David James
Problems: 

None.

Comments: 

An excellent night.  Cloudless, good seeing, relatively calm. No instrument or telescope problems. 
Average seeing less than 1".   Native seeing (DIMM) ranged from 0.3"-0.6" 

Last hour of the night, image ellipticity increased steadily from 0.03 to 0.15, while fwhm remained steady at ~0.9". 
Telescope was pointed to the west at this time. Noting here in case it suggests tracking issues. 

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.50
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.40
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.30
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.50
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2014A - 0536
Target of Oportunity: 
No
Time Observed: 
10.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DECam NEO
Primary Investigator: 
L. Allen
Email: 
lallen@noao.edu
Institution: 
NOAO
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
10.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2014-04-22 10.75 0.0 0.0 0.0 0.0 10.75