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ENR CTIO Blanco 4-m 2025-02-19

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Date: 
Wednesday, February 19, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Patricia Fort (First Half)
Submitter Email: 
pvfort@uc.cl
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Roberto Aviles, Guillermo Damke
Problems: 

Power Outage at 1:30 am.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
0.93
Seeing Variability: 
0.2
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: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2023B-502332
Target of Oportunity: 
No
Time Observed: 
4.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
CIDER
Primary Investigator: 
Sangeeta Malhotra
Email: 
sangeeta.malhotra@nasa.gov
Institution: 
NASA Goddard Space Flight Center
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
4.5
Proposal: 
2024B-614257
Target of Oportunity: 
No
Time Observed: 
4.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Weak lensing mass reconstruction of a sample of highly disturbed merging clusters recently discovered by eROSITA
Primary Investigator: 
Rogério Monteiro-Oliveira
Email: 
rogerionline@gmail.com
Institution: 
Academia Sinica Institute of Astronomy and Astrophysics (ASIAA), Taiwan
Instrument: 
CTIO 4m DECam
Organization: 
DD
Total Program Time: 
4
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-02-19 8.5 0.0 0.0 0.0 0.0 8.5