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ENR CTIO Blanco 4-m 2021-04-04

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Date: 
Sunday, April 4, 2021
Telescope: 
CTIO Blanco 4-m
Submitter: 
Rohan Rahatgaonkar
Submitter Email: 
rohan.rahatgaonkar@rockets.utoledo.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
Alfredo Zenteno, Yaherlyn Díaz, Andrea Rojas
Problems: 

None.

Comments: 

For many images in u-band the telemetry showed a large ellipticity.  Inspection of the images using seeingall in single CCD showed no evidence of such large ellipticities. 

Conditions: 
General Conditions
Temperature Max: 
12.50
Temperature Min: 
11.60
Humidity Max: 
50
Humidity Min: 
40
Wind Speed Max: 
30.00
Wind Speed Min: 
12.00
Comment: 
None.
1st Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.60
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky : 
1
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.60
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
Program: 
Proposal: 
2021A-0149
Target of Oportunity: 
No
Time Observed: 
5.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
AGN science exploitation of DeROSITAS
Primary Investigator: 
Patricia Arevalo
Email: 
patricia.arevalo@uv.cl
Institution: 
Universidad de Valparaiso
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
5.25
Proposal: 
2021A-0923
Target of Oportunity: 
No
Time Observed: 
5.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Neighbourhood Watch: A Survey of Baryonic Substructures in the Nearby Universe
Primary Investigator: 
Thomas Puzia
Email: 
tpuzia@astro.puc.cl
Institution: 
Pontificia Universidad Catolica de Chile
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
5.25
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2021-04-04 10.5 0.0 0.0 0.0 0.0 10.5