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ENR CTIO Blanco 4-m 2025-05-08

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Date: 
Thursday, May 8, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Zhen Guo
Submitter Email: 
zhen.guo@uv.cl
Observer Support: 
Sean Points
Night Assistant: 
None
Problems: 

The first quarter of the night was lost due to cloudy weather condition. During the night observation, the filter wheel can not be controlled by the software. We had to fix it by mannually restart the newfirm software. Poor seeing condition throughout the night.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Precipitation: 
High Humidity
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
8
2nd Quarter
Clouds: 
Clear
Seeing Value: 
2.50
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
2
3rd Quarter
Clouds: 
Clear
Seeing Value: 
2.50
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
1
4th Quarter
Clouds: 
Clear
Seeing Value: 
2.50
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2025A-599150
Target of Oportunity: 
No
Time Observed: 
8.5
Time Engineering: 
0.0
Time lost technical: 
0.25
Time lost weather: 
2.5
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
2025-05-08 8.5 0.0 0.25 2.5 0.0 11.25