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ENR CTIO Blanco 4-m 2025-11-22

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Date: 
Saturday, November 22, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Paulina Troncoso Iribarren
Submitter Email: 
paulina.troncoso@ucentral.cl
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
Rodrigo Hinojosa, Konstantina Boutsia
Problems: 

Techincal issue: there was a problem with the Nitrogen supply for the camera between 3:05am until 4:14am

Comments: 

There was one hour of interrumtion due to technical problem (Nitogen supply)

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.30
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
0.88
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
0.90
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2025B-704489
Target of Oportunity: 
No
Time Observed: 
6.75
Time Engineering: 
0.0
Time lost technical: 
1.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
ODIN
Primary Investigator: 
Lee
Email: 
soolee@purdue.edu
Institution: 
Purdue University
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
7.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-11-22 6.75 0.0 1.0 0.0 0.0 7.75