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ENR CTIO Blanco 4-m 2025-04-17

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Date: 
Thursday, April 17, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Matthew Penny
Submitter Email: 
penny1@lsu.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Xander Hall,
Problems: 

"Major" issue with the mount at 8:05 UT, observing queue stopped. Operator went to the dome to investigate and resolved the issue after 30 min.

Comments: 

None.

Conditions: 
General Conditions
Temperature Max: 
16.00
Temperature Min: 
14.00
Humidity Max: 
25
Humidity Min: 
15
Wind Speed Max: 
10.00
Wind Speed Min: 
3.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2025A-729671
Target of Oportunity: 
No
Time Observed: 
10.0
Time Engineering: 
0.0
Time lost technical: 
0.5
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DESI Transient Survey
Primary Investigator: 
Palmese
Email: 
palmese@cmu.edu
Institution: 
Carnegie-Mellon University
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
10.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-04-17 10.0 0.0 0.5 0.0 0.0 10.5