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ENR CTIO Blanco 4-m 2016-09-07

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Date: 
Wednesday, September 7, 2016
Telescope: 
CTIO Blanco 4-m
Submitter: 
Mei-Yu Wang
Submitter Email: 
meiyu@physics.tamu.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Problems: 

None.

Comments: 

Conditions

# At beginning: Light cirrus. 13 C. Winds around 5-10 mph. Humidity < 30%
# At midpoint: mostly clear. Some cloud at west start to show up ~4:40 UT. 13.5 C. Wind 20 mph. Humidity 20%.

Accomplishments

# Observing evening standard stars even the presence of cirrus.
# Observed widefield ExpID: 572083- 572348
# Observed widefield the whole night, but not the Alhambra field because of the clouds.
# Observed all three morning standards. Calspec and two 'normal' standards.
# Seeing hovered around 1.0. Some have good seeing > 1.2.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
2
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
3
4th Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
Program: 
Proposal: 
2012B-0001
Target of Oportunity: 
No
Time Observed: 
10.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DES
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
2016-09-07 10.0 0.0 0.0 0.0 0.0 10