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ENR CTIO Blanco 4-m 2013-09-16

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Date: 
Monday, September 16, 2013
Telescope: 
CTIO Blanco 4-m
Submitter: 
Maayane Soumagnac
Submitter Email: 
mts@star.ucl.ac.uk
Observer Support: 
Alberto Alvarez
Night Assistant: 
Leonardo Paredes
Problems: 

None.

Comments: 
 
*Minor Problems and Relevant Information*
# At 20:55, we realized the disk space of observer2 is full we contact Ann and solve this.
# At around 22:30 low dome temp is around 4 degrees lower than the mirror temp, which may explain the bad seeing
# At 1 am we asked the operator to close the louvers
Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
2.50
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky : 
2
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
2.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
3rd Quarter
Clouds: 
Clear
Wind: 
High
Seeing Value: 
2.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
2.50
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
yes
Time Observed: 
10.0
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: 
10
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2013-09-16 10.0 0.0 0.0 0.0 0.0 10