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ENR CTIO Blanco 4-m 2017-09-18

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Date: 
Monday, September 18, 2017
Telescope: 
CTIO Blanco 4-m
Submitter: 
Michael Johnson
Submitter Email: 
mjohns44@illinois.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
Rich Kron, Margaret Gelman
Problems: 

None.

Comments: 

Observing Team

 

DES Observers: Rich Kron, Margaret Gelman, Michael Johnson
Telops: Claudio Aguilera – Operator,Manuel Hernandez – Obs. Support
Remote Support:

Observing Plan

  1. standard bias and dome flat sequence
  2. evening standard stars
  3. run ObsTac queue
  4. end of night standard stars
  5. end of night zeros

Conditions

  1. weather: clear
  2. weather during night: clear, humidity low and constant
  3. Seeing conditions: Median: 2.19 arcsec, rms 0.52 arcsec
  4. Wind conditions: 10-35 mph
  5. Humidity: 25-32%

Accomplishments

WF mostly g, some r, and a few Y and z; SN X1, X2, C2, C1, S2, S1, X3iz

  1. Afternoon: bias and dome flats
  2. Evening: standards (J1442,E9-A,E8-A)
  3. Survey exposures 679162-679288,679331,679344-679391
  4. SN exposures X1 679289-679294; X2 679295-679300, C2 679301-679306, C1 679307-679312, S2 679213-679318, S1 679319-679324, X3 679325-679330,679332-679343
  5. End of night: standards (J0100,J0200,J0320)
  6. End of night: zeros
  7. Wildlife report: One viscacha at sunset

 

Problems tagged as Synopsis_Problem
None.

Minor Problems and Relevant Information
Dome occlusion during first set of standard field J1442
Lost guider stars on SN exposure 679434

Notes for Data Management
679142-679146 may have dome occlusions.

Conditions: 
General Conditions
Temperature Max: 
15.00
Temperature Min: 
10.00
Humidity Max: 
33
Humidity Min: 
25
Wind Speed Max: 
35.00
Wind Speed Min: 
10.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
2.52
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.75
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
2.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
2.25
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
10.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Dark Energy Survey
Primary Investigator: 
Joshua Frieman
Email: 
frieman@fnal.gov
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
10
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2017-09-18 10.0 0.0 0.0 0.0 0.0 10