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ENR CTIO Blanco 4-m 2014-12-24

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Date: 
Wednesday, December 24, 2014
Telescope: 
CTIO Blanco 4-m
Submitter: 
Sahar Allam
Submitter Email: 
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Problems: 

None.

Comments: 

None.*Observing Team*

 
_DES Observers:_ Rutuparna Das (RM), Doug Tucker (Obs1), Sahar Allam (Obs2)
_Telops:_ Hernan Tirado,  Alberto Alvarez
_Remote Support:_ 
 
*Observing Plan*
# standard bias and dome flat sequence
# evening standard stars
# run ObsTac queue
# morning standard stars and bias
 
*Conditions*
# Conditions have been pretty constant for most of the evening, with
low wind through out the night (2-7 mph).
# Observation started with seeing on the DIMM between 0.7-1.2 and get higher 
~1.70 for about half an hour, then back again to 0.7-1.1, at the end of the 
night, seeing remained around 0.89. Varing FWHM 0.68-1.165 with a median 
value 1.08 and RMS 0.18 from QuickRed. 
# No clouds.
 
*Accomplishments*
# Afternoon: zeros, dome flat sequence (YziVRrgu), new nightly sequence of darks.
# Evening: Standards (SDSSJ2300-0000 230000+000000 secz 1.7),(SDSSJ0000-0000 000000+000000 secz 1.4), (SDSSJ0200-0000 020000+000000 secz 1.2).
# Overall: Wide Survey (391231-391276), SN-E1 (391277-391282), Wide Survey(391283-391448)
# Morning: Standards E6-A (390681-390865 secz 1.8), SDSSJ1227-0000 (122700+000000 secz 1.5), SDSSJ0958-0010 (095800-001000 secz 1.2)
 
*RASICAM start working again at 3:07UT.*
Conditions: 
General Conditions
Temperature Max: 
16.00
Temperature Min: 
13.30
Humidity Max: 
42
Humidity Min: 
37
Wind Speed Max: 
9.90
Wind Speed Min: 
2.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.87
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
7.25
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: 
Frieman
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
7.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2014-12-24 7.25 0.0 0.0 0.0 0.0 7.25