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ENR CTIO Blanco 4-m 2023-12-21

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Date: 
Thursday, December 21, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Yun-Kyeong Sheen
Submitter Email: 
yksheen@kasi.re.kr
Observer Support: 
Alfredo Zenteno
Night Assistant: 
Claudio Aguilera
Also Present: 
Rodrigo Hinojosa
Problems: 

None.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.70
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2014B-0404
Target of Oportunity: 
No
Time Observed: 
7.25
Time Engineering: 
0.25
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
DECaLS2
Primary Investigator: 
Arjun Dey, David Schlegel
Email: 
arjun.dey@noirlab.edu
Institution: 
Noirlab
Instrument: 
CTIO 4m DECam
Organization: 
N/A
Total Program Time: 
7.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-12-21 7.25 0.25 0.0 0.0 0.0 7.5