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ENR CTIO Blanco 4-m 2025-11-27

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Date: 
Thursday, November 27, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Thomas H. Puzia
Submitter Email: 
tpuzia@gmail.com
Observer Support: 
Alfredo Zenteno
Night Assistant: 
Alberto Alvarez
Also Present: 
Rohan Rahatgaonkar, Bryan Miller, Rodrigo Hernandez
Problems: 

Brief power cut issue at the beginning of the night.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
2
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2025B-361989
Target of Oportunity: 
No
Time Observed: 
8.0
Time Engineering: 
0.0
Time lost technical: 
0.25
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
The H-alpha Survey of the Fornax Galaxy Cluster
Primary Investigator: 
Thomas H. Puzia
Email: 
tpuzia@gmail.com
Institution: 
Instituto de Astrofísica, PUC, Chile
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
8.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-11-27 8.0 0.0 0.25 0.0 0.0 8.25