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ENR CTIO Blanco 4-m 2025-11-09

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Date: 
Sunday, November 9, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
C. Tanner Murphey
Submitter Email: 
murphey2@illinois.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
Tim Abbott, Thomas Puzia, Rohan Rahatgaonkar, Juan Pablo Carvajal, K. Boutsia
Problems: 

Due to wrong proposal ID no H-alpha filter (N662) was installed.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
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: 
2025B-361989
Target of Oportunity: 
No
Time Observed: 
4.25
Time Engineering: 
0.0
Time lost technical: 
0.0
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: 
Pontificia Universidad Catolica de Chile
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
4.25
Proposal: 
2025A-388357
Target of Oportunity: 
No
Time Observed: 
2.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Catching Extremely Young Transients
Primary Investigator: 
Narayan-Rest
Email: 
arest@stsci.edu
Institution: 
Space Telescope Science Institute
Instrument: 
CTIO 4m DECam
Total Program Time: 
2.75
Proposal: 
2023B-851374
Target of Oportunity: 
yes
Time Observed: 
1.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
GW-MMADS: Gravitational Wave Multi-Messenger Astronomy DECam Survey
Primary Investigator: 
Andreoni and Palmese
Email: 
apalmese@andrew.cmu.edu
Institution: 
Carnegie
Instrument: 
CTIO 4m DECam
Total Program Time: 
1.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-11-09 8.5 0.0 0.0 0.0 0.0 8.5