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ENR CTIO Blanco 4-m 2023-02-21

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Date: 
Tuesday, February 21, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Guy Stringfellow
Submitter Email: 
Guy.Stringfellow@colorado.edu
Observer Support: 
Kathy Vivas
Night Assistant: 
Claudio Aguilera
Also Present: 
Ani Chiti, Alex Drlica-Wagner; student training: Madeleine Saraisky, Ella Marin
Problems: 

None.

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.40
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
2
2nd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
3rd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
Program: 
Proposal: 
2023A-933926
Target of Oportunity: 
No
Time Observed: 
8.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
CaHK Survey
Primary Investigator: 
Ani Chiti
Email: 
achiti@uchicago.edu
Institution: 
The University of Chicago
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
8.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-02-21 8.5 0.0 0.0 0.0 0.0 8.5