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ENR CTIO Blanco 4-m 2025-04-02

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Date: 
Wednesday, April 2, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Shuairu Zhu
Submitter Email: 
shuairuz@shao.ac.cn
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Cristobal Moya, Guillermo Damke, Roberto Aviles, Binyang Liu, Shenmng Fu, Michael Cooper, Ian DellAntonio
Problems: 

None.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
0.82
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
0.85
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2023B-502332
Target of Oportunity: 
No
Time Observed: 
5.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Primary Investigator: 
Sangeeta Malhotra
Email: 
sangeeta.malhotra@nasa.gov
Institution: 
NASA Goddard Space Flight Center
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5
Proposal: 
2025A-110944
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: 
Creating a Uniform Sample of Clusters with X-ray and SZ Measurements in the Local Universe
Primary Investigator: 
Dellantonio
Email: 
ian_dellantonio@brown.edu
Institution: 
Brown University
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-04-02 10.5 0.0 0.0 0.0 0.0 10.5