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ENR CTIO Blanco 4-m 2023-08-26

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Date: 
Saturday, August 26, 2023
Telescope: 
CTIO Blanco 4-m
Submitter: 
Javier Fuentes
Submitter Email: 
javier.fuentes@noirlab.edu
Observer Support: 
Hernan Tirado
Night Assistant: 
Alberto Alvarez
Also Present: 
Alfredo Zenteno
Problems: 

None.

Comments: 

A very smooth night. We managed to observe continuosly through thin cirrus and breaking clouds during the first half of the night, then the sky clears up until the end of the night. Seeing cooperated a lot in terms of stability and it stayed around 1" the whole night.   

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
2
2nd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
4
3rd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
5
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
Program: 
Proposal: 
2023B-307896
Target of Oportunity: 
No
Time Observed: 
10.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Primary Investigator: 
Arjun Dey, David Schlegel
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
10.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2023-08-26 10.75 0.0 0.0 0.0 0.0 10.75