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ENR CTIO Blanco 4-m 2025-07-20

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Date: 
Sunday, July 20, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Julio Carballo-Bello
Submitter Email: 
jcarballo@academicos.uta.cl
Observer Support: 
Wilson Liu
Night Assistant: 
Manuel Hernandez
Also Present: 
Claudio Aguilera
Problems: 

None.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
1
2nd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
2
3rd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
3
4th Quarter
Clouds: 
Cirrus
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
Program: 
Proposal: 
2025A-388357
Target of Oportunity: 
No
Time Observed: 
8.5
Time Engineering: 
0.25
Time lost technical: 
0.0
Time lost weather: 
2.5
Time lost other: 
0.0
Primary Investigator: 
Gautham Narayan
Email: 
gsn@illinois.edu
Institution: 
University of Illinois at Urbana-Champaign
Instrument: 
CTIO 4m DECam
Organization: 
N/A
Total Program Time: 
11.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-07-20 8.5 0.25 0.0 2.5 0.0 11.25