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ENR CTIO Blanco 4-m 2014-12-28

Date: 
Sunday, December 28, 2014
Telescope: 
CTIO Blanco 4-m
Submitter: 
Rutuparna Das
Submitter Email: 
rutudas@umich.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Claudio Aguilera
Also Present: 
Rodrigo Hernandez, Danny Goldstein, Dustin Lang, Nic Ross
Problems: 

None.

Comments: 

Dark Energy Survey:

 *Observing Team*

 
_DES Observers:_ Rutuparna Das (RM/Obs2), Danny Goldstein (Obs1)
_Telops:_ Claudio Aguilera, Rodrigo Hernandez, Hernan Tirado
_Remote Support:_ 
 
*Observing Plan*
# standard bias and dome flat sequence
# evening standard stars
# run ObsTac queue
# middle-of-night standard stars
 
*Conditions*
# 9:30 (start of observing) - clear sky, windspeed average ~6 mph.  Stayed mostly constant through the half night.
# Seeing conditions - Median:  .90, RMS:  .14 (from QR stats page).  DIMM seeing was between ~.5 and ~.7 while the DIMM was reporting.
 
*Accomplishments*
# Afternoon:  zeros, dome flat sequence (YziVRrgu).
# Evening:  Standards (SDSSJ2300-0000, MaxVis, SDSSJ0200-0000).
# Overall:  Wide Survey (392629 - 392740).
# Middle of Night:  Standards (SDSSJ0320-0000, MaxVis)
 
 
*Problems tagged as Synopsis_Problem*
 
*Minor Problems and Relevant Information*
#DIMM stopped reporting between 11:20 - 1:20 CLST.
#We had a shutter error that took longer than usual to fix.  See below (under "Other selected logbook entries") for details.
 
*Notes for Data Management*
#Exposure 392702 was not taken due to the shutter error.
#Exposure 392703 is a zero taken for testing purposes after the shutter was reset.

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DECam Legacy Survey

Observers: Dustin Lang, Nic Ross

Smooth hand-off.  Conditions remain clear and seeing good.  Wind speed up to 10 mph.

Observing g & r at beginning of night, z toward twilight.  "Random" tiedown calibration fields from ~18-deg to ~14-deg twi.

Conditions: 
General Conditions
Temperature Max: 
17.50
Temperature Min: 
15.00
Humidity Max: 
40
Humidity Min: 
20
Wind Speed Max: 
10.00
Wind Speed Min: 
3.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
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Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
3.5
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 [1]
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
3.5
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
3.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DECaLS: DECam Legacy Survey
Primary Investigator: 
David Schlegel
Email: 
djschlegel@lbl.gov [4]
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
3.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2014-12-28 7.25 0.0 0.0 0.0 0.0 7.25
Source URL (modified on 12/29/2014 - 05:56): http://www.ctio.noao.edu/noao/content/enr-ctio-blanco-4-m-2014-12-28

Links
[1] mailto:frieman@fnal.gov
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/1984/delete?destination=print/content/enr-ctio-blanco-4-m-2014-12-28
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/1984/edit?destination=print/content/enr-ctio-blanco-4-m-2014-12-28
[4] mailto:djschlegel@lbl.gov
[5] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/1985/delete?destination=print/content/enr-ctio-blanco-4-m-2014-12-28
[6] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/1985/edit?destination=print/content/enr-ctio-blanco-4-m-2014-12-28
[7] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/6936?destination=print/content/enr-ctio-blanco-4-m-2014-12-28