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ENR CTIO Blanco 4-m 2016-09-08

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Date: 
Thursday, September 8, 2016
Telescope: 
CTIO Blanco 4-m
Submitter: 
Mei-Yu Wang
Submitter Email: 
Observer Support: 
Manuel Hernandez
Night Assistant: 
Alberto Alvarez
Problems: 

None.

Comments: 

# full night observing DES Y4
# 3 evening standards, including 1 calspec:SF1615_CCD_35, SDSSj1442-0005, E8-A
# ObsTac
# Alhambra field observation (40 min) at 5:00 UT if seeing is g<1.2", r<1.1", r<0.2 extinction
# Go Back to ObsTac
# 3 morning standards, including 1 calpesc:SDSSJ0100-0000, SDSSJ0103-0020-CCD_35_gri, SDSSj0320-0000

*Conditions*

# At beginning: Light cirrus. 14.5 C. Winds 5 mph. Humidity = 20%
# At midpoint: mostly clear.  13.5 C. Wind 5 mph. Humidity 20%.

*Accomplishments*

# Observed evening standard stars even with the presence of cirrus.
# Observed widefield ExpID:572436-572593  
# Observed Alhambra field:572594-572613  
# Observed widefield ExpID:572614-572724 
# Observed all three morning standards. Calspec and two 'normal' standards.
# Seeing hovered around 1.0.
# Observed morning standard stars

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: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
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: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
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 observing
Primary Investigator: 
Josh Frieman
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
2016-09-08 10.0 0.0 0.0 0.0 0.0 10