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ENR CTIO Blanco 4-m 2021-05-18

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Date: 
Tuesday, May 18, 2021
Telescope: 
CTIO Blanco 4-m
Submitter: 
Monika Soraisam and Scott Sheppard
Submitter Email: 
soraisam@illinois.edu
Observer Support: 
Kathy Vivas
Night Assistant: 
Claudio Aguilera
Also Present: 
Manuel Hernandez
Problems: 

None.

Comments: 

High wind speed prevented opening the dome for the first 2 hours at the start of the night.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
High
Seeing Value: 
2.40
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
2.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
3
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
High
Seeing Value: 
2.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Overcast
Wind: 
High
Seeing Value: 
2.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2017A-0281
Target of Oportunity: 
No
Time Observed: 
3.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
2.0
Time lost other: 
0.0
Description: 
Time domain imaging of archetypical galaxies
Primary Investigator: 
Soraisam
Email: 
soraisam@illinois.edu
Institution: 
University of Illinois at Urbana-Champaign
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.75
Proposal: 
2019A-0337
Target of Oportunity: 
No
Time Observed: 
2.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
2.5
Time lost other: 
0.0
Description: 
DEEP
Primary Investigator: 
David Trilling
Email: 
sheppard@dtm.ciw.edu
Institution: 
Carnegie Institution of Washington
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2021-05-18 6.5 0.0 0.0 4.5 0.0 11