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ENR CTIO Blanco 4-m 2018-08-09

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Date: 
Thursday, August 9, 2018
Telescope: 
CTIO Blanco 4-m
Submitter: 
Segev BenZvi
Submitter Email: 
sybenzvi@pas.rochester.edu
Observer Support: 
Jacqueline Seron
Night Assistant: 
Alberto Alvarez
Also Present: 
Regina Demina, Manuel Hernandez
Problems: 

None.

Comments: 
  • Intermittent clouds present after midnight, increasing at 02:30 CLT.
Conditions: 
General Conditions
Temperature Max: 
16.00
Temperature Min: 
14.00
Humidity Max: 
20
Humidity Min: 
18
Wind Speed Max: 
25.00
Wind Speed Min: 
5.00
Comment: 
Cirrus clouds after midnight affected transparency. Seeing generally good.
1st Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
2
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Partially cloudy
Wind: 
Medium
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
4
4th Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
Program: 
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
11.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DECam Legacy Survey
Primary Investigator: 
David Schlegel
Email: 
DJSchlegel@lbl.gov
Institution: 
Lawrence Berkeley National Laboratory
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
11.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2018-08-09 11.5 0.0 0.0 0.0 0.0 11.5