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ENR CTIO Blanco 4-m 2014-12-23

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Date: 
Tuesday, December 23, 2014
Telescope: 
CTIO Blanco 4-m
Submitter: 
Sahar Allam
Submitter Email: 
sallam@fnal.gov
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
# sequence of dark images
# evening standard stars
# run ObsTac queue
# morning standard stars and bias
 
*Conditions*
# Conditions have been pretty constant for most of the evening. Pretty medium wind (8-9 mph), FWHM 0.68-1.168 with median value 0.83 and RMS 0.2. 
seeing on the DIMM between 0.4-0.7 and get higher ~1.0 for about an hour at the end of the night. 
# Possible record for good i-band FWHM(arcsec):0.68 for exp# 390872.
# At midnight Briefly had higher winds (~10) and windscreen went up, but went down at 1:29 local time.
#End of night: Seeing remained around 0.6-0.7. No clouds.
 
 
*Accomplishments*
 
# Afternoon: zeros, dome flat sequence (YziVRrgu), new nightly sequence of darks.
# Evening: Standards MaxVis (063000-584500 secz 1.7), SDSSJ2300-0000 (230000+000000 secz 1.6), SDSSJ0200-0000 (020000+000000 secz 1.2)
# Overall: Wide Survey: (390852-391071)
# Morning: Standards E6-A (390681-390865 secz 1.8), SDSSJ1227-0000 (122700+000000 secz 1.5), DSSJ0958-0010 (095800-001000 secz 1.2)
 
*RASICAM is not working for the night, see logbook entry, URL: http://system.ctio.noao.edu:8080/ECL/decam/E/show?e=233765). 
 
Conditions: 
General Conditions
Temperature Max: 
15.00
Temperature Min: 
13.00
Humidity Max: 
40
Humidity Min: 
35
Wind Speed Max: 
14.00
Wind Speed Min: 
3.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.55
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.67
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.44
Seeing Variability: 
0.6
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.6
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
Email: 
frieman@fnal.gov
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
2014-12-23 7.25 0.0 0.0 0.0 0.0 7.25