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ENR CTIO Blanco 4-m 2025-03-06

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Date: 
Thursday, March 6, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Gabriel Pichihueche
Submitter Email: 
gabo.pichihueche@gmail.com
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
K. Boutsia
Problems: 

None.

Comments: 

Looks like the readout time is around 10 seconds longer than the last time we observed (October)

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
0.90
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: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2025A-580842
Target of Oportunity: 
No
Time Observed: 
9.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
The largest narrow-band H-alpha survey of massive galaxy clusters
Primary Investigator: 
Cristobal Sifon
Email: 
cristobal.sifon@pucv.cl
Institution: 
PUCV
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
9.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-03-06 9.5 0.0 0.0 0.0 0.0 9.5