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ENR CTIO Blanco 4-m 2023-08-21

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Date: 
Monday, August 21, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Javier Fuentes
Submitter Email: 
javier.fuentes@noirlab.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
Guillermo Damke
Problems: 

None.

Comments: 

A productive night with moderate winds ~5-10 m/s, clear skies and variable image quality most part of the night. We had some vignetting by the lower dome shutter for two targets.  No technical faults with the telescope nor instrument reported.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.90
Seeing Variability: 
1.0
Seeing Source: 
The Telescope I used
Sky : 
1
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.90
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
1
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
1
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
1
Program: 
Proposal: 
2023A-237157
Target of Oportunity: 
No
Time Observed: 
11.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Primary Investigator: 
Narayan, Rest
Email: 
gsn@illinois.edu
Institution: 
University of Illinois
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
11.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-08-21 11.25 0.0 0.0 0.0 0.0 11.25