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ENR CTIO Blanco 4-m 2023-06-20

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Date: 
Tuesday, June 20, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Shenming Fu
Submitter Email: 
shenming.fu@noirlab.edu
Observer Support: 
Guillermo Damke
Night Assistant: 
Alberto Alvarez
Also Present: 
Hernan Tirado, Ian Dell'Antonio, David Schlegel, S. Tolley
Problems: 

Bad weather most of the night.

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: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
4th Quarter
Clouds: 
Partially cloudy
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
6
Program: 
Proposal: 
2023A-140687
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: 
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: 
1.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
4.25
Time lost other: 
0.0
Description: 
LoVoCCS: the Local Volume Complete Cluster Survey
Primary Investigator: 
Ian Dell'Antonio
Email: 
ian_dell'antonio@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
2023-06-20 1.5 0.0 0.0 10.0 0.0 11.5