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ENR CTIO Blanco 4-m 2014-12-18

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Date: 
Thursday, December 18, 2014
Telescope: 
CTIO Blanco 4-m
Submitter: 
Alistair Walker
Submitter Email: 
awalker@ctio.noao.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Alberto Alvarez
Problems: 

One shutter failure. Lost < 1 minute.   One image no guide stars - well actaully there were too many, lowered guider exposure time to 100 ms

Comments: 

Super night.    Last half of the night in particular, very goos image quality.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.85
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2013B-0440
Target of Oportunity: 
No
Time Observed: 
8.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
SMASH
Primary Investigator: 
David Nidever
Email: 
dnidever@umich.edu
Institution: 
U. Michigan
Instrument: 
CTIO 4m DECam
Total Program Time: 
8
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2014-12-18 8.0 0.0 0.0 0.0 0.0 8