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ENR CTIO Blanco 4-m 2017-12-23

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Date: 
Saturday, December 23, 2017
Telescope: 
CTIO Blanco 4-m
Submitter: 
Chad Trujillo
Submitter Email: 
chad.trujillo@nau.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Claudio Aguilera
Also Present: 
Francisco Paz Chinchon, Ting Li
Problems: 

SISPI warning, no time lost.

VR filter unavailble for use, used r instead, 40% throughput loss for second half of night, 1.5 hours lost.

DIMM stopped working around 0100 local. Seeing was fairly stable, so no time was lost.

Comments: 

Got a SISPI warning right after exposure 706745. Image appears normal. Warning Message: "Exposure request failed time check. Skipped."

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
4.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DES
Primary Investigator: 
Frieman
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Total Program Time: 
4
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Total Program Time: 
0
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Total Program Time: 
0
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2017-12-23 4.0 0.0 0.0 0.0 0.0 4