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ENR CTIO Blanco 4-m 2025-06-22

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Date: 
Sunday, June 22, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
K.Boutsia
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
H. Bouy, C. Johnson, R. Hinojosa, K. Boutsia
Problems: 

The EoR page was not working during the weekend - reports for both June 21 and 22 were sent on Monday 

Comments: 

Clouds and seeing > 2.2 for the entire night. 

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
2.20
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
2
2nd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
2.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
3
3rd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
2.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
4
4th Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
2.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
4
Program: 
Proposal: 
2025A-593334
Target of Oportunity: 
No
Time Observed: 
5.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Evolution of protoplanetary disks around young free-floating planets
Primary Investigator: 
H. Bouy
Institution: 
U Bordeaux
Instrument: 
CTIO 4m DECam
Organization: 
N/A
Total Program Time: 
5.75
Proposal: 
2025A-981092
Target of Oportunity: 
No
Time Observed: 
5.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Calcium HK Metallicity Survey of the Southern Galactic Bulge
Primary Investigator: 
C. Johnson, A. Calamida
Institution: 
STSCI
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-06-22 11.5 0.0 0.0 0.0 0.0 11.5