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ENR CTIO Blanco 4-m 2025-05-23

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Date: 
Friday, May 23, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Kethelin Parra Ramos (1st)/
Submitter Email: 
your@email.edu
Observer Support: 
Rodrigo Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
William Cerny
Problems: 

None.

Comments: 

One exposure lost due to a file transfer issue (which prompted warnings in the Console GUI)

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
0.85
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2025A-602953
Target of Oportunity: 
No
Time Observed: 
5.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
The presence of diffuse light in fossil and non-fossil systems
Primary Investigator: 
Kethelin Parra Ramos
Email: 
kethelin.ramos@usp.br
Institution: 
University of Sao Paulo
Instrument: 
CTIO 4m DECam
Organization: 
Brazil
Total Program Time: 
5.5
Proposal: 
2019A-0305
Target of Oportunity: 
No
Time Observed: 
6.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DELVE
Primary Investigator: 
Drlica-Wagner
Email: 
kadrlica@fnal.gov
Institution: 
Fermilab
Instrument: 
CTIO 4m DECam
Total Program Time: 
6
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-05-23 11.5 0.0 0.0 0.0 0.0 11.5