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ENR CTIO Blanco 4-m 2023-04-21

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Date: 
Friday, April 21, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Jenny Greene
Submitter Email: 
jgreene@astro.princeton.edu
Observer Support: 
Alberto Alvarez
Night Assistant: 
Hernan Tirado
Also Present: 
Alfredo Zenteno, Soren Helhoski, Shenming Fu, Ian Dell'Antonio
Problems: 

Seeing so-so first half of the night (until 1am or so)

Comments: 

None.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.40
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2020B-0288
Target of Oportunity: 
No
Time Observed: 
0.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Merian
Primary Investigator: 
Alexie Leauthaud
Institution: 
University of California, Santa Cruz
Total Program Time: 
0
Proposal: 
2019A-0308
Target of Oportunity: 
No
Time Observed: 
5.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.25
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: 
5.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-04-21 5.0 0.0 0.0 0.25 0.0 5.25