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ENR CTIO Blanco 4-m 2025-03-25

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Date: 
Tuesday, March 25, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Rinat Damari
Submitter Email: 
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Roberto Aviles, K. Boutsia
Problems: 

6:12 - there was an issue with the telescope breaks, the TO brought telescope to zenith and then did a reset/configure at SISPI ~10 min lost

Comments: 

There was a visulization problem (~ 5:45) in SISPI GUI (the screen got frozen), so for ~20 min I did not see nothing, then we opened new windows. 

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
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: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2025A-227091
Target of Oportunity: 
yes
Time Observed: 
1.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Search, discovery and follow up of electromagnetic counterparts of gravitational wave events
Primary Investigator: 
Marcelle Soares-Santos
Institution: 
University of Zurich
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
1
Proposal: 
2025A-729671
Target of Oportunity: 
No
Time Observed: 
8.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DESI Transient Survey
Primary Investigator: 
Palmese
Institution: 
Carnegie-Mellon University
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
8
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-03-25 9.0 0.0 0.0 0.0 0.0 9