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ENR CTIO Blanco 4-m 2025-05-10

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Date: 
Saturday, May 10, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Zhen Guo
Submitter Email: 
zhen.guo@uv.cl
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
Rodrigo Hinojosa, Rodrigo Hernandez
Problems: 

Several focus problems when changind filters, and one major problem inthe filter wheel.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
0.40
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
0.60
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2025A-599150
Target of Oportunity: 
No
Time Observed: 
10.25
Time Engineering: 
0.0
Time lost technical: 
1.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
VVV RENEW
Primary Investigator: 
Zhen Guo
Email: 
zhen.guo@uv.cl
Institution: 
Universidad de Valparaiso
Instrument: 
CTIO 4m Newfirm
Organization: 
Chile
Total Program Time: 
11.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-05-10 10.25 0.0 1.0 0.0 0.0 11.25