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ENR CTIO Blanco 4-m 2023-05-12

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Date: 
Friday, May 12, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Song Huang
Submitter Email: 
dr.guangtou@gmail.com
Observer Support: 
Wilson Liu
Night Assistant: 
Claudio Aguilera
Also Present: 
Allen Seifert, second half observers: Dustin Lang, Nada El-Falou, Hans Hopkins
Problems: 

None.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
Thin cloud
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
2
2nd Quarter
Clouds: 
Clear
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2020B-0288
Target of Oportunity: 
No
Time Observed: 
11.25
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
Total Program Time: 
11.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-05-12 11.25 0.0 0.0 0.0 0.0 11.25