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ENR CTIO Blanco 4-m 2025-03-28

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Date: 
Friday, March 28, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Zachary Stone
Submitter Email: 
stone28@illinois.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
Arran Gross, Konstantina Boutista, Sean MacBride
Problems: 

There was a PCS issue which halted observations at 1:42 AM local time. Observations then started about 12 minutes later after it was fixed.

Comments: 

None.

Conditions: 
General Conditions
Temperature Max: 
15.60
Temperature Min: 
13.20
Humidity Max: 
65
Humidity Min: 
51
Wind Speed Max: 
71.00
Wind Speed Min: 
5.60
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2025A-587063
Target of Oportunity: 
No
Time Observed: 
8.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
A Survey for Potentially Hazardous Small Aphelion NEOs using DECam
Primary Investigator: 
Jan Kleyna
Email: 
kleyna@hawaii.edu
Institution: 
University of Hawaii at Manoa
Instrument: 
CTIO 4m DECam
Organization: 
N/A
Total Program Time: 
8.5
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: 
ToO followup for S250328ae
Primary Investigator: 
Soares-Santos
Email: 
sean.macbride@physik.uzh.ch
Institution: 
University of Zurich
Instrument: 
CTIO 4m DECam
Organization: 
N/A
Total Program Time: 
1
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-03-28 9.5 0.0 0.0 0.0 0.0 9.5