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ENR CTIO Blanco 4-m 2025-12-23

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Date: 
Tuesday, December 23, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Xander Hall, Jennifer Andrews
Submitter Email: 
xjh@andrew.cmu.edu
Observer Support: 
Alfredo Zenteno
Night Assistant: 
None
Problems: 

None.

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 : 
2
2nd Quarter
Clouds: 
Clear
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
Program: 
Proposal: 
2025B-516631
Target of Oportunity: 
No
Time Observed: 
7.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Dipole Oriented SN Cosmology
Primary Investigator: 
Rodriguez
Instrument: 
CTIO 4m DECam
Total Program Time: 
7.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-12-23 7.25 0.0 0.0 0.0 0.0 7.25