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ENR CTIO Blanco 4-m 2015-08-04

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Date: 
Tuesday, August 4, 2015
Telescope: 
CTIO Blanco 4-m
Submitter: 
Steve Kent
Submitter Email: 
skent@fnal.gov
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Nick Mondrik, David James, John Rees
Problems: 

Line 1s being actively pumped.  About 40 millitorr at end of night. 

Comments: 

None.  We did dome flats and DECal scans.

DES Night Summary

Observing Team

DES Observers: Steve Kent, Nick Mondrik, David James, John Rees 
Telops: Alberto Alvarez, Hernan Tirado
Remote Support:

Observing Plan

  1. Acquire DECam at midpoint
  2. Obstac
  3. Standards at twilight

Conditions

  1. Total overcast

Problems

  1. 1S line was worked on during the day to deal with a leak in the jacket vacuum. It was left on a pump for overnight observations. Sensor1s reads 35 millitorr.

Accomplishments

  1. A very productive night – for those who enjoy viewing the inside of a dome.
  2. Two sets of dome flats taken.
  3. DECal scans in r, i, u filters
Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
8
2nd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
3rd Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
4th Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
Program: 
Proposal: 
Engineering
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
5.75
Time lost other: 
0.0
Description: 
Engineering
Primary Investigator: 
D. James
Email: 
djj@ctio.noao.edu
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.75
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
5.75
Time lost other: 
0.0
Description: 
Dark Energy Survey
Primary Investigator: 
Josh Frieman
Email: 
frieman@fnal.gov
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2015-08-04 0.0 0.0 0.0 11.5 0.0 11.5