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ENR CTIO Blanco 4-m 2025-06-07

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Date: 
Saturday, June 7, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
TZ Tang
Submitter Email: 
tztang@bu.edu
Observer Support: 
Rodrigo Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
Kaylee de Soto
Problems: 

Overcast

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
7
2nd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.50
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
3
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.70
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2025A-388357
Target of Oportunity: 
No
Time Observed: 
1.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
4.75
Time lost other: 
0.0
Description: 
Chasing Extremely Young Transients
Primary Investigator: 
Gautham Narayan, Armin Rest
Email: 
gsn@illinois.edu
Institution: 
University of Illinois at Urbana-Champaign
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.75
Proposal: 
2024B-893855
Target of Oportunity: 
No
Time Observed: 
3.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
2.75
Time lost other: 
0.0
Description: 
DEBASS
Primary Investigator: 
Dillon Brout
Email: 
dbrout@bu.edu
Institution: 
Boston University
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
6.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-06-07 4.75 0.0 0.0 7.5 0.0 12.25