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ENR CTIO Blanco 4-m 2025-05-19

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Date: 
Monday, May 19, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Xander Hall
Submitter Email: 
xhall@cmu.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Tomas Ahumada
Problems: 

Problem with telescope pausing at 19:22 ET restarted at 19:33 ET. Lost 4MAP and telescope tracking. No clear reason why that happened.

Comments: 

Thanks to Hernan and Alberto for all their help.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
2
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
2
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
2
Program: 
Proposal: 
2025A-898110
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.25
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
A volumetric increase in transient discoveries with DECam
Primary Investigator: 
Tomas Ahumada
Email: 
tahumada@astro.caltech.edu
Institution: 
California Institute of Technology
Instrument: 
CTIO 4m DECam
Total Program Time: 
0.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-05-19 0.0 0.0 0.25 0.0 0.0 0.25