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ENR CTIO Blanco 4-m 2025-11-26

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Date: 
Wednesday, November 26, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Simón Véliz, Jennifer Andrews
Submitter Email: 
jennifer.andrews@noirlab.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Alfredo Zenteno, Rodrigo Hernandez, Jennifer Andrews, Brian Hsu, Chow-Choong Ngeow
Problems: 

None.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.95
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
0.90
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
Program: 
Proposal: 
2025B-474892
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Galaxy Evolution in Dense Environments: Completing CHANCES imaging for PSZ2 G271.18-30.95
Primary Investigator: 
Simón Véliz
Email: 
simon.veliz@userena.cl
Institution: 
Universidad de La Serena
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
0
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-11-26 0.0 0.0 0.0 0.0 0.0 0