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ENR CTIO Blanco 4-m 2025-11-13

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Date: 
Thursday, November 13, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Xander Hall
Submitter Email: 
xhall@cmu.edu
Observer Support: 
Rodrigo Hernandez
Night Assistant: 
Roberto Aviles
Also Present: 
Hernan Tirado, Alberto Alvarez, Guillemor Damke, Sean Points
Problems: 

None.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2023B-851374
Target of Oportunity: 
yes
Time Observed: 
3.0
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: 
Antonella Palmese
Email: 
apalmese@cmu.edu
Institution: 
Carnegie-Mellon University
Instrument: 
CTIO 4m DECam
Total Program Time: 
3
Proposal: 
2025B-308589
Target of Oportunity: 
No
Time Observed: 
1.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Completing a uniform sample of Local X-ray and SZ Galaxy Clusters
Primary Investigator: 
Dellantonio
Email: 
ian_dellantonio@brown.edu
Institution: 
Brown University
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
1.25
Proposal: 
2025B-285894
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: 
DECam [OIII] Survey of the Magellanic Clouds
Primary Investigator: 
Sean Points
Email: 
sean.points@noirlab.edu
Institution: 
CTIO
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
4.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-11-13 8.5 0.0 0.0 0.0 0.0 8.5