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ENR CTIO Blanco 4-m 2017-08-31

Date: 
Thursday, August 31, 2017
Telescope: 
CTIO Blanco 4-m
Submitter: 
Kathy Vivas
Submitter Email: 
kvivas@ctio.noao.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Claudio Aguilera
Also Present: 
William Wester, Jessie Muir
Problems: 
Occlusion alarm at UT=00:30. Dome was still moving when the exposure started. The slew of the telescope from the previous position was very small.
 
Humidity alarm (~5.3%) at UT: 03:27. Louvers closed.
Comments: 

1st half: remote observing from La Serena. ToO observed at the start of the night.

2nd half: See DES Night Summary: http://des-ops.fnal.gov:8080/nightsum/nightsum-2017-08-31/nightsum.html

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
2
2nd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
5
3rd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
7
4th Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
8
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Program: 
Proposal: 
2017B-0110
Target of Oportunity: 
yes
Time Observed: 
1.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
ToO
Primary Investigator: 
Berger
Email: 
berger@cfa.harvard.edu [1]
Institution: 
Harvard
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
1
Proposal: 
2017B-0253
Target of Oportunity: 
No
Time Observed: 
5.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Mapping the Edge of the Milky Way with RR Lyrae Stars
Primary Investigator: 
J. Carlin
Email: 
jcarlin@lsst.org [4]
Institution: 
LSST
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.25
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
4.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DES
Primary Investigator: 
Frieman
Email: 
frieman@fnal.gov [7]
Institution: 
DES
Instrument: 
CTIO 4m DECam
Total Program Time: 
4.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2017-08-31 10.75 0.0 0.0 0.0 0.0 10.75
Source URL (modified on 09/01/2017 - 07:16): http://www.ctio.noao.edu/noao/node/12474

Links
[1] mailto:berger@cfa.harvard.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4183/delete?destination=print/content/enr-ctio-blanco-4-m-2017-08-31
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4183/edit?destination=print/content/enr-ctio-blanco-4-m-2017-08-31
[4] mailto:jcarlin@lsst.org
[5] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4184/delete?destination=print/content/enr-ctio-blanco-4-m-2017-08-31
[6] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4184/edit?destination=print/content/enr-ctio-blanco-4-m-2017-08-31
[7] mailto:frieman@fnal.gov
[8] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4185/delete?destination=print/content/enr-ctio-blanco-4-m-2017-08-31
[9] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/4185/edit?destination=print/content/enr-ctio-blanco-4-m-2017-08-31
[10] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/12474?destination=print/content/enr-ctio-blanco-4-m-2017-08-31