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ENR CTIO Blanco 4-m 2023-06-17

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Date: 
Saturday, June 17, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Ian Dell'Antonio
Submitter Email: 
ian_dellantonio@brown.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
David Schlegel, Shenming Fu, Zach Escalante, Anthony Englert, Ian Dell'Antonio
Problems: 

None.

Comments: 

Seeing variable the first part of the night, increasingly thick cirrus the second half.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Cirrus
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
Program: 
Proposal: 
2023A-140687
Target of Oportunity: 
No
Time Observed: 
5.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Extending DESI to 17,500 square degrees
Primary Investigator: 
Arjun Dey, David Schlegel
Email: 
arjun.dey@noirlab.edu
Institution: 
NOAO
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.75
Proposal: 
2019A-0308
Target of Oportunity: 
No
Time Observed: 
5.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
LoVoCCS
Primary Investigator: 
Ian Dell'Antonio
Email: 
ian_dellantonio@brown.edu
Institution: 
Brown University
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
5.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-06-17 11.5 0.0 0.0 0.0 0.0 11.5