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ENR CTIO Blanco 4-m 2023-10-18

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Date: 
Wednesday, October 18, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Song Huang
Submitter Email: 
shuang@tsinghua.edu
Observer Support: 
Guillermo Damke
Night Assistant: 
Roberto Aviles
Also Present: 
Abby Mintz
Problems: 

None.

Comments: 

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Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
2
2nd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
5
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
4
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2020B-0288
Target of Oportunity: 
No
Time Observed: 
8.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Merian Survey
Primary Investigator: 
Alexie Leauthaud
Email: 
alexie@ucsc.edu
Institution: 
UCSC
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
8.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-10-18 8.75 0.0 0.0 0.0 0.0 8.75