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ENR CTIO Blanco 4-m 2018-09-12

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Date: 
Wednesday, September 12, 2018
Telescope: 
CTIO Blanco 4-m
Submitter: 
Florian Beutler
Submitter Email: 
florian.beutler@port.ac.uk
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Kathy Vivas, Stephen Kent, Taylor Hutchison, Travis Prochaska, Dragan Huterer
Problems: 

Wireless internet (both noaosouth and publicwifi) seems to hang, requiring reconnecting, particularly in the dorm rooms.

DTS seems stalled (dts-ct).

Comments: 

DECal scan in g completed. Images 772684-772860

DES: Most data are bad. Established records for thickest cloud that could be measured by kentools.

CCD N10 still working at end of night.

 

Observing Team

DES Observers: S. Kent, T. Hutchison, T. Prochaska, D. Huterer
Telops: A. Alvarez, H. Tirado
Remote Support: —-

Observing Plan

  1. handover from community observers
  2. run ObsTac queue, wait for weather to clear.
  3. end of night standard stars & calibrations

Conditions

  1. weather in afternoon: Cloudy
  2. weather during night: Cloudy
  3. weather summary: Cloudy
  4. Seeing conditions: Median: 1.3 RMS: 0.3
  5. Wind conditions: Low
  6. Humidity: 50%

Accomplishments

  1. Ran ObsTac all shift, although only a few exposures were good. Clouds failed to depart at 6 am as forecast.
  2. Established record for thickest clouds measured by kentools (5.78 mag)
  3. Wildlife report: 1 lizard, 2 KRs

Problems tagged as Synopsis_Problem

DTS stalled, apparently in middle of transferring DECal scan from 1st half.

Minor Problems and Relevant Information

  1. In the afternoon, N10 was brought back to like by cycling the S3 line. Unclear why this procedure worked. It continued to work all night.

Notes for Data Management

  1. A few exposures early on and at end might be good; the rest are bad.
Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky : 
8
2nd Quarter
Clouds: 
Overcast
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
8
3rd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
8
4th Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
8
Program: 
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
5.5
Time lost other: 
0.0
Description: 
DECaLS
Primary Investigator: 
David Schlegel
Email: 
djschlegel@lbl.gov
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.5
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
5.5
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: 
Josh Frieman
Email: 
frieman@fnal.gov
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2018-09-12 5.5 0.0 0.0 5.5 0.0 11