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ENR CTIO Blanco 4-m 2026-01-25

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Date: 
Sunday, January 25, 2026
Telescope: 
CTIO Blanco 4-m
Submitter: 
Julio Chaname, Gauthan Narayan
Submitter Email: 
jchaname@astro.puc.cl
Observer Support: 
Rodrigo Hernandez
Night Assistant: 
Roberto Aviles
Also Present: 
Alfredo Zenteno
Problems: 

None.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
8
2nd Quarter
Clouds: 
Overcast
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.80
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2025A-388357
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
4.0
Time lost other: 
0.0
Description: 
DECAT
Primary Investigator: 
Gautham Narayan
Email: 
gsn@illinois.edu
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
4
Proposal: 
2025B-647141
Target of Oportunity: 
No
Time Observed: 
4.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Primary Investigator: 
Julio Chaname
Email: 
jchaname@astro.puc.cl
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
4
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2026-01-25 4.0 0.0 0.0 4.0 0.0 8