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ENR CTIO Blanco 4-m 2023-05-21

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Date: 
Sunday, May 21, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Song Huang
Submitter Email: 
shuang@tsinghua.edu.cn
Observer Support: 
Guillermo Damke
Night Assistant: 
Hernan Tirado
Also Present: 
Allen Seifert, Alberto Alvarez
Problems: 

None.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
8
2nd Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
4th Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
5
Program: 
Proposal: 
2020B-0288
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
5.75
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: 
5.75
Proposal: 
2023A-423737
Target of Oportunity: 
No
Time Observed: 
3.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
2.25
Time lost other: 
0.0
Description: 
A Deep Search for High Inclination L5 Neptun
Primary Investigator: 
Edward Lin
Email: 
hsingwel@umich.edu
Institution: 
U. Michigan
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-05-21 3.25 0.0 0.0 8.0 0.0 11.25