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ENR CTIO Blanco 4-m 2025-09-03

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Date: 
Wednesday, September 3, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Guillermo Damke (1st half) / Gabriel Pichihueche (2nd half)
Submitter Email: 
guillermo.damke@noirlab.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Rodrigo Hernandez, Roberto Aviles, Sean Points,
Problems: 

None.

Comments: 

We had to stop AEON observations twice due to clouds (2.5 hours lost on first half).

The new turno that arrived today was trained in AEON too.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
4
2nd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
3
3rd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
4
4th Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
Program: 
Proposal: 
newfirm_default
Target of Oportunity: 
No
Time Observed: 
3.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
2.5
Time lost other: 
0.0
Description: 
NEWFIRM AEON observations
Primary Investigator: 
Guillermo Damke
Email: 
guillermo.damke@noirlab.edu
Institution: 
CTIO
Instrument: 
CTIO 4m Newfirm
Organization: 
NOAO
Total Program Time: 
5.75
Proposal: 
2025B-587252
Target of Oportunity: 
No
Time Observed: 
2.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
3.0
Time lost other: 
0.0
Description: 
Narrow-Band H-alpha Survey of Massive Galaxy Clusters and Large-Scale Structure
Primary Investigator: 
Cristobal Sifon
Email: 
cristobal.sifon@pucv.cl
Institution: 
PUCV
Instrument: 
CTIO 4m Newfirm
Organization: 
Chile
Total Program Time: 
5.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-09-03 5.5 0.0 0.0 5.5 0.0 11